diff --git a/js/bullets.js b/js/bullets.js
index 8ecf456..c1441db 100644
--- a/js/bullets.js
+++ b/js/bullets.js
@@ -87,6 +87,7 @@ const b = {
   modNailsDeathMob: null,
   isModSlowFPS: null,
   isModNeutronStun: null,
+  manyWorlds: null,
   modOnHealthChange() { //used with acid mod
     if (b.isModAcidDmg && mech.health > 0.8) {
       b.modAcidDmg = 0.5
@@ -762,7 +763,7 @@ const b = {
     },
     {
       name: "pair production",
-      description: "<strong>power ups</strong> overfill your <strong class='color-f'>energy</strong><br>temporarily gain <strong>twice</strong> your maximum",
+      description: "<strong>power ups</strong> overfill your <strong class='color-f'>energy</strong><br>temporarily gain <strong>twice</strong> your max <strong class='color-f'>energy</strong>",
       maxCount: 1,
       count: 0,
       allowed() {
@@ -850,31 +851,23 @@ const b = {
       }
     },
     {
-      name: "reallocation",
-      description: "convert <strong>1</strong> random <strong class='color-m'>mod</strong> into <strong>2</strong> new <strong>guns</strong><br><em>recursive mods lose all stacks</em>",
+      name: "many worlds",
+      description: "spawn a <strong class='color-r'>reroll</strong> after choosing a power up",
       maxCount: 1,
       count: 0,
       allowed() {
-        return (b.modCount > 0) && !build.isCustomSelection
+        return true
       },
-      requires: "at least 1 mod",
+      requires: "",
       effect: () => {
-        const have = [] //find which mods you have
-        for (let i = 0; i < b.mods.length; i++) {
-          if (b.mods[i].count > 0) have.push(i)
-        }
-        const choose = have[Math.floor(Math.random() * have.length)]
-        b.mods[choose].remove(); // remove a random mod form the list of mods you have
-        b.mods[choose].count = 0;
-        game.updateModHUD();
-
-        for (let i = 0; i < 2; i++) {
-          powerUps.spawn(mech.pos.x, mech.pos.y, "gun");
-          if (Math.random() < b.modBayesian) powerUps.spawn(mech.pos.x, mech.pos.y, "gun");
-        }
+        b.manyWorlds = true;
+        // for (let i = 0; i < 9; i++) {
+        //   powerUps.spawn(mech.pos.x, mech.pos.y, "reroll");
+        //   if (Math.random() < b.modBayesian) powerUps.spawn(mech.pos.x, mech.pos.y, "reroll");
+        // }
       },
       remove() {
-        //nothing to remove
+        b.manyWorlds = false;
       }
     },
     {
@@ -903,6 +896,34 @@ const b = {
         //nothing to undo
       }
     },
+    {
+      name: "reallocation",
+      description: "convert <strong>1</strong> random <strong class='color-m'>mod</strong> into <strong>2</strong> new <strong>guns</strong><br><em>recursive mods lose all stacks</em>",
+      maxCount: 1,
+      count: 0,
+      allowed() {
+        return (b.modCount > 0) && !build.isCustomSelection
+      },
+      requires: "at least 1 mod",
+      effect: () => {
+        const have = [] //find which mods you have
+        for (let i = 0; i < b.mods.length; i++) {
+          if (b.mods[i].count > 0) have.push(i)
+        }
+        const choose = have[Math.floor(Math.random() * have.length)]
+        b.mods[choose].remove(); // remove a random mod form the list of mods you have
+        b.mods[choose].count = 0;
+        game.updateModHUD();
+
+        for (let i = 0; i < 2; i++) {
+          powerUps.spawn(mech.pos.x, mech.pos.y, "gun");
+          if (Math.random() < b.modBayesian) powerUps.spawn(mech.pos.x, mech.pos.y, "gun");
+        }
+      },
+      remove() {
+        //nothing to remove
+      }
+    },
     {
       name: "Lorentzian topology",
       description: "your <strong>bullets</strong> last <strong>+33% longer</strong>",
@@ -1973,6 +1994,7 @@ const b = {
         dist = Vector.magnitude(sub) - mob[i].radius;
         if (dist < radius) {
           if (mob[i].shield) dmg *= 3 //balancing explosion dmg to shields
+          if (Matter.Query.ray(map, mob[i].position, where).length > 0) dmg *= 0.5 //reduce damage if a wall is in the way
           mob[i].damage(dmg * damageScale);
           mob[i].locatePlayer();
           knock = Vector.mult(Vector.normalise(sub), (-Math.sqrt(dmg * damageScale) * mob[i].mass) / 50);
@@ -2353,7 +2375,7 @@ const b = {
       friction: 0.05,
       frictionAir: 0.0005,
       restitution: 1,
-      dmg: 0.17, //damage done in addition to the damage from momentum
+      dmg: 0.23, //damage done in addition to the damage from momentum
       lookFrequency: 107 + Math.floor(47 * Math.random()),
       endCycle: game.cycle + Math.floor((1200 + 420 * Math.random()) * b.isModBulletsLastLonger),
       classType: "bullet",
@@ -2365,7 +2387,14 @@ const b = {
       lockedOn: null,
       isFollowMouse: true,
       deathCycles: 110 + RADIUS * 5,
-      onDmg() {
+      onDmg(who) {
+        //move away from target after hitting
+        const unit = Vector.mult(Vector.normalise(Vector.sub(this.position, who.position)), -20)
+        Matter.Body.setVelocity(this, {
+          x: unit.x,
+          y: unit.y
+        });
+
         this.lockedOn = null
         if (this.endCycle > game.cycle + this.deathCycles && b.isModDroneCollide) {
           this.endCycle -= 60
@@ -3119,7 +3148,7 @@ const b = {
                   // check if inside a mob
                   q = Matter.Query.point(mob, this.position)
                   for (let i = 0; i < q.length; i++) {
-                    let dmg = b.dmgScale * 0.43 / Math.sqrt(q[i].mass) * (b.modWaveHelix === 1 ? 1 : 0.6) //1 - 0.4 = 0.6 for helix mod 40% damage reduction
+                    let dmg = b.dmgScale * 0.40 / Math.sqrt(q[i].mass) * (b.modWaveHelix === 1 ? 1 : 0.6) //1 - 0.4 = 0.6 for helix mod 40% damage reduction
                     q[i].damage(dmg);
                     q[i].foundPlayer();
                     game.drawList.push({ //add dmg to draw queue
@@ -3631,11 +3660,10 @@ const b = {
               //aoe damage to mobs
               for (let i = 0, len = mob.length; i < len; i++) {
                 if (Vector.magnitude(Vector.sub(mob[i].position, this.position)) < this.damageRadius) {
-                  if (mob[i].shield) {
-                    mob[i].damage(5 * b.dmgScale * 0.023);
-                  } else {
-                    mob[i].damage(b.dmgScale * 0.023);
-                  }
+                  let dmg = b.dmgScale * 0.023
+                  if (Matter.Query.ray(map, mob[i].position, this.position).length > 0) dmg *= 0.5 //reduce damage if a wall is in the way
+                  if (mob[i].shield) dmg *= 5 //x5 to make up for the /5 that shields normally take
+                  mob[i].damage(dmg);
                   mob[i].locatePlayer();
                 }
               }
@@ -3859,6 +3887,7 @@ const b = {
           //frictionAir: 0.01,			//restitution: 0,
           // angle: 0,
           // friction: 0.5,
+          restitution: 0,
           frictionAir: 0,
           dmg: 0, //damage done in addition to the damage from momentum
           classType: "bullet",
diff --git a/js/game.js b/js/game.js
index 608c0c1..dc65ec2 100644
--- a/js/game.js
+++ b/js/game.js
@@ -56,6 +56,7 @@ const game = {
     b.bulletDraw();
     b.bulletDo();
     game.drawCircle();
+    game.clip();
     ctx.restore();
     game.drawCursor();
   },
@@ -132,6 +133,9 @@ const game = {
   //   };
   //   requestAnimationFrame(normalFPS);
   // },
+  clip() {
+
+  },
   drawCursor() {
     const size = 10;
     ctx.beginPath();
@@ -481,6 +485,7 @@ const game = {
 
     b.setupAllMods(); //sets mods to default values
     game.updateModHUD();
+    powerUps.reroll.rerolls = 0;
     mech.maxHealth = 1
     mech.maxEnergy = 1
     game.paused = false;
diff --git a/js/index.js b/js/index.js
index f64b893..f510696 100644
--- a/js/index.js
+++ b/js/index.js
@@ -87,8 +87,6 @@ const build = {
       <br>global damage increase: ${((b.damageFromMods()-1)*100).toFixed(0)}%
       <br>global harm reduction: ${((1-mech.harmReduction())*100).toFixed(0)}% 
     </div>`;
-
-
     let countGuns = 0
     let countMods = 0
     for (let i = 0, len = b.guns.length; i < len; i++) {
@@ -269,10 +267,6 @@ const build = {
     document.getElementById("build-grid").style.display = "grid"
   },
   shareURL() {
-    game.copyToClipBoard(build.generateURL())
-    alert('n-gon build URL copied to clipboard.\nPaste into browser address bar.')
-  },
-  generateURL() {
     let url = "https://landgreen.github.io/sidescroller/index.html?"
     let count = 0;
     for (let i = 0; i < b.guns.length; i++) {
@@ -292,7 +286,8 @@ const build = {
     url += `&difficulty=${game.difficultyMode}`
     url += `&level=${Number(document.getElementById("starting-level").value)}`
     console.log(url)
-    return url
+    game.copyToClipBoard(url)
+    alert('n-gon build URL copied to clipboard.\nPaste into browser address bar.')
   },
   startBuildRun() {
     build.isCustomSelection = false;
diff --git a/js/level.js b/js/level.js
index d6e73a5..79126b2 100644
--- a/js/level.js
+++ b/js/level.js
@@ -16,11 +16,8 @@ const level = {
     if (level.levelsCleared === 0) { //this code only runs on the first level
       // game.enableConstructMode() //used to build maps in testing mode
       // level.difficultyIncrease(9)
-      // b.giveGuns("foam")
       // mech.setField("time dilation field")
-      // b.giveMod("necrophoresis");
-      // b.giveMod("impact shear");
-      // b.giveMod("foam-bot");
+      // b.giveMod("many worlds");
       // b.giveGuns("neutron bomb")
       // b.giveGuns("foam")
       // mech.setField("pilot wave")
@@ -162,10 +159,11 @@ const level = {
 
     // spawn.bomberBoss(2900, -500)
     // spawn.shooterBoss(1200, -500)
-    spawn.spinner(1200, -500, 40)
+    // spawn.starter(2500, -40, 40)
     // spawn.stabber(1600, -500)
     // spawn.cellBossCulture(1600, -500)
     // spawn.shooter(1600, -500)
+    spawn.focuser(1600, -500)
     // spawn.shield(mob[mob.length - 1], 1200, -500, 1);
 
     // spawn.nodeBoss(1200, -500, "spiker")
diff --git a/js/mobs.js b/js/mobs.js
index b0a89ef..9c1736b 100644
--- a/js/mobs.js
+++ b/js/mobs.js
@@ -507,7 +507,7 @@ const mobs = {
       },
       springAttack() {
         // set new values of the ends of the spring constraints
-        if (this.seePlayer.recall) {
+        if (this.seePlayer.recall && Matter.Query.ray(map, this.position, player.position).length === 0) {
           if (!(game.cycle % (this.seePlayerFreq * 2))) {
             this.springTarget.x = this.seePlayer.position.x;
             this.springTarget.y = this.seePlayer.position.y;
@@ -850,7 +850,6 @@ const mobs = {
             if (!(game.cycle % this.seePlayerFreq)) {
               this.fireDir = Vector.normalise(Vector.sub(this.seePlayer.position, this.position));
               this.fireDir.y -= Math.abs(this.seePlayer.position.x - this.position.x) / 1600; //gives the bullet an arc
-              this.fireAngle = Math.atan2(this.fireDir.y, this.fireDir.x);
             }
             //rotate towards fireAngle
             const angle = this.angle + Math.PI / 2;
@@ -885,6 +884,52 @@ const mobs = {
           // }
         }
       },
+      launch() {
+        if (!mech.isBodiesAsleep) {
+          const setNoseShape = () => {
+            const mag = this.radius + this.radius * this.noseLength;
+            this.vertices[1].x = this.position.x + Math.cos(this.angle) * mag;
+            this.vertices[1].y = this.position.y + Math.sin(this.angle) * mag;
+          };
+          //throw a mob/bullet at player
+          if (this.seePlayer.recall) {
+            //set direction to turn to fire
+            if (!(game.cycle % this.seePlayerFreq)) {
+              this.fireDir = Vector.normalise(Vector.sub(this.seePlayer.position, this.position));
+            }
+            //rotate towards fireAngle
+            const angle = this.angle + Math.PI / 2;
+            c = Math.cos(angle) * this.fireDir.x + Math.sin(angle) * this.fireDir.y;
+            const threshold = 0.1;
+            if (c > threshold) {
+              this.torque += 0.0000045 * this.inertia;
+            } else if (c < -threshold) {
+              this.torque -= 0.0000045 * this.inertia;
+            } else if (this.noseLength > 1.5) {
+              //fire
+              spawn.seeker(this.vertices[1].x, this.vertices[1].y, 5 + Math.ceil(this.radius / 15), 5);
+              const v = 15;
+              Matter.Body.setVelocity(mob[mob.length - 1], {
+                x: this.velocity.x + this.fireDir.x * v + Math.random(),
+                y: this.velocity.y + this.fireDir.y * v + Math.random()
+              });
+              this.noseLength = 0;
+              // recoil
+              this.force.x -= 0.005 * this.fireDir.x * this.mass;
+              this.force.y -= 0.005 * this.fireDir.y * this.mass;
+            }
+            if (this.noseLength < 1.5) this.noseLength += this.fireFreq;
+            setNoseShape();
+          } else if (this.noseLength > 0.1) {
+            this.noseLength -= this.fireFreq / 2;
+            setNoseShape();
+          }
+          // else if (this.noseLength < -0.1) {
+          //   this.noseLength += this.fireFreq / 4;
+          //   setNoseShape();
+          // }
+        }
+      },
       turnToFacePlayer() {
         //turn to face player
         const dx = player.position.x - this.position.x;
diff --git a/js/player.js b/js/player.js
index 9f8088c..60a195d 100644
--- a/js/player.js
+++ b/js/player.js
@@ -363,6 +363,7 @@ const mech = {
     if (b.isModImmortal) { //if player has the immortality buff, spawn on the same level with randomized stats
       spawn.setSpawnList(); //new mob types
       game.clearNow = true; //triggers a map reset
+      powerUps.reroll.rerolls = Math.floor(Math.random() * Math.random() * 8)
 
       //count mods
       let totalMods = 0;
@@ -380,6 +381,7 @@ const mech = {
               b.mods[i].name !== "Born rule" &&
               b.mods[i].name !== "determinism" &&
               b.mods[i].name !== "reallocation" &&
+              b.mods[i].name !== "many worlds" &&
               b.mods[i].allowed()
             ) options.push(i);
           }
@@ -1045,7 +1047,7 @@ const mech = {
       }
       if (mech.energy > mech.maxEnergy) mech.energy = mech.maxEnergy;
 
-      if (b.modBlockDmg) {
+      if (b.modBlockDmg && mech.fieldUpgrades[mech.fieldMode].name === "standing wave harmonics") {
         who.damage(b.modBlockDmg)
         //draw electricity
         const step = 40
@@ -1087,7 +1089,7 @@ const mech = {
           });
         }
       } else {
-        if (b.isModStunField) mobs.statusStun(who, b.isModStunField)
+        if (b.isModStunField && mech.fieldUpgrades[mech.fieldMode].name === "perfect diamagnetism") mobs.statusStun(who, b.isModStunField)
         // mobs.statusSlow(who, b.isModStunField)
         const massRoot = Math.sqrt(Math.max(0.15, who.mass)); // masses above 12 can start to overcome the push back
         Matter.Body.setVelocity(who, {
@@ -1434,7 +1436,7 @@ const mech = {
     },
     {
       name: "negative mass field",
-      description: "use <strong class='color-f'>energy</strong> to nullify  &nbsp; <strong style='letter-spacing: 12px;'>gravity</strong><br>reduce <strong>harm</strong> by <strong>80%</strong> while field is active", //<br><strong>launch</strong> larger blocks at much higher speeds
+      description: "use <strong class='color-f'>energy</strong> to nullify  &nbsp; <strong style='letter-spacing: 12px;'>gravity</strong><br>reduce <strong>harm</strong> by <strong>80%</strong> while field is active",
       fieldDrawRadius: 0,
       isEasyToAim: true,
       effect: () => {
@@ -1569,10 +1571,11 @@ const mech = {
     },
     {
       name: "plasma torch",
-      description: "use <strong class='color-f'>energy</strong> to emit <strong class='color-d'>damaging</strong> plasma<br><em>effective at close range</em>",
+      description: "use <strong class='color-f'>energy</strong> to emit <strong class='color-d'>damaging</strong> plasma<br>reduce <strong>harm</strong> by <strong>33%</strong>",
       isEasyToAim: false,
       effect: () => {
         mech.fieldMeterColor = "#f0f"
+        mech.fieldDamageResistance = 0.67; //reduce harm by 33%
 
         mech.hold = function () {
           if (mech.isHolding) {
@@ -1582,7 +1585,7 @@ const mech = {
           } else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < mech.cycle) { //not hold but field button is pressed
             mech.grabPowerUp();
             mech.lookForPickUp();
-            const DRAIN = 0.00065
+            const DRAIN = 0.0006
             if (mech.energy > DRAIN) {
               mech.energy -= DRAIN;
               if (mech.energy < 0) {
@@ -1666,8 +1669,12 @@ const mech = {
                   best.who.locatePlayer();
 
                   //push mobs away
-                  const force = Vector.mult(Vector.normalise(Vector.sub(mech.pos, path[1])), -0.02 * Math.sqrt(best.who.mass))
+                  const force = Vector.mult(Vector.normalise(Vector.sub(mech.pos, path[1])), -0.01 * Math.min(5, best.who.mass))
                   Matter.Body.applyForce(best.who, path[1], force)
+                  Matter.Body.setVelocity(best.who, { //friction
+                    x: best.who.velocity.x * 0.6,
+                    y: best.who.velocity.y * 0.6
+                  });
                   // const angle = Math.atan2(player.position.y - best.who.position.y, player.position.x - best.who.position.x);
                   // const mass = Math.min(Math.sqrt(best.who.mass), 6);
                   // Matter.Body.setVelocity(best.who, {
@@ -1685,7 +1692,7 @@ const mech = {
                   });
                 } else if (!best.who.isStatic) {
                   //push blocks away
-                  const force = Vector.mult(Vector.normalise(Vector.sub(mech.pos, path[1])), -0.006 * Math.sqrt(Math.sqrt(best.who.mass)))
+                  const force = Vector.mult(Vector.normalise(Vector.sub(mech.pos, path[1])), -0.007 * Math.sqrt(Math.sqrt(best.who.mass)))
                   Matter.Body.applyForce(best.who, path[1], force)
                 }
               }
diff --git a/js/powerups.js b/js/powerups.js
index d7623c4..e0b0b9e 100644
--- a/js/powerups.js
+++ b/js/powerups.js
@@ -21,6 +21,10 @@ const powerUps = {
     powerUps.endDraft();
   },
   endDraft() {
+    if (b.manyWorlds) {
+      powerUps.spawn(mech.pos.x, mech.pos.y, "reroll");
+      if (Math.random() < b.modBayesian) powerUps.spawn(mech.pos.x, mech.pos.y, "reroll");
+    }
     document.body.style.cursor = "none";
     document.getElementById("choose-grid").style.display = "none"
     document.getElementById("choose-background").style.display = "none"
@@ -162,7 +166,7 @@ const powerUps = {
       let choice2 = -1
       let choice3 = -1
       if (choice1 > -1) {
-        let text = `<div class='cancel' onclick='powerUps.endDraft("field")'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a field</h3>`
+        let text = `<div class='cancel' onclick='powerUps.endDraft()'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a field</h3>`
         text += `<div class="choose-grid-module" onclick="powerUps.choose('field',${choice1})"><div class="grid-title"><div class="circle-grid field"></div> &nbsp; ${mech.fieldUpgrades[choice1].name}</div> ${mech.fieldUpgrades[choice1].description}</div>`
         if (!b.isModDeterminism) {
           choice2 = pick(mech.fieldUpgrades, choice1)
@@ -207,7 +211,7 @@ const powerUps = {
       let choice2 = -1
       let choice3 = -1
       if (choice1 > -1) {
-        let text = `<div class='cancel' onclick='powerUps.endDraft("mod")'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a mod</h3>`
+        let text = `<div class='cancel' onclick='powerUps.endDraft()'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a mod</h3>`
         text += `<div class="choose-grid-module" onclick="powerUps.choose('mod',${choice1})"><div class="grid-title"><div class="circle-grid mod"></div> &nbsp; ${b.mods[choice1].name}</div> ${b.mods[choice1].description}</div>`
         if (!b.isModDeterminism) {
           choice2 = pick(choice1)
@@ -249,7 +253,7 @@ const powerUps = {
       let choice2 = -1
       let choice3 = -1
       if (choice1 > -1) {
-        let text = `<div class='cancel' onclick='powerUps.endDraft("gun")'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a gun</h3>`
+        let text = `<div class='cancel' onclick='powerUps.endDraft()'>✕</div><h3 style = 'color:#fff; text-align:left; margin: 0px;'>choose a gun</h3>`
         text += `<div class="choose-grid-module" onclick="powerUps.choose('gun',${choice1})"><div class="grid-title"><div class="circle-grid gun"></div> &nbsp; ${b.guns[choice1].name}</div> ${b.guns[choice1].description}</div>`
         if (!b.isModDeterminism) {
           choice2 = pick(b.guns, choice1)
@@ -312,7 +316,7 @@ const powerUps = {
       if (Math.random() < b.modBayesian) powerUps.spawn(x, y, "field");
       return;
     }
-    if (Math.random() < 0.01) {
+    if (Math.random() < 0.005) {
       powerUps.spawn(x, y, "reroll");
       if (Math.random() < b.modBayesian) powerUps.spawn(x, y, "reroll");
       return;
@@ -352,7 +356,7 @@ const powerUps = {
     }
   },
   chooseRandomPowerUp(x, y) { //100% chance to drop a random power up    //used in spawn.debris
-    if (Math.random() < 0.02) {
+    if (Math.random() < 0.05) {
       powerUps.spawn(x, y, "reroll");
     } else if (Math.random() < 0.5) {
       powerUps.spawn(x, y, "heal", false);
diff --git a/js/spawn.js b/js/spawn.js
index 665e762..8c75c8c 100644
--- a/js/spawn.js
+++ b/js/spawn.js
@@ -2,13 +2,14 @@
 const spawn = {
   pickList: ["starter", "starter"],
   fullPickList: [
-    "shooter", "shooter", "shooter", "shooter", "shooter",
+    "shooter", "shooter", "shooter", "shooter",
     "hopper", "hopper", "hopper", "hopper",
     "chaser", "chaser", "chaser",
     "striker", "striker",
     "laser", "laser",
     "exploder", "exploder",
     "stabber", "stabber",
+    "launcher", "launcher",
     "spinner",
     "grower",
     "springer",
@@ -19,7 +20,7 @@ const spawn = {
     "ghoster",
     "sneaker",
   ],
-  allowedBossList: ["chaser", "spinner", "striker", "springer", "laser", "focuser", "beamer", "exploder", "spawner", "shooter", "stabber"],
+  allowedBossList: ["chaser", "spinner", "striker", "springer", "laser", "focuser", "beamer", "exploder", "spawner", "shooter", "launcher", "stabber"],
   setSpawnList() { //this is run at the start of each new level to determine the possible mobs for the level
     //each level has 2 mobs: one new mob and one from the last level
     spawn.pickList.splice(0, 1);
@@ -845,30 +846,30 @@ const spawn = {
       if (!mech.isBodiesAsleep) {
         this.seePlayerByLookingAt();
         this.checkStatus();
+        this.attraction();
         const dist2 = this.distanceToPlayer2();
         //laser Tracking
-        if (this.seePlayer.yes && dist2 < 4000000 && !mech.isStealth) {
-          this.attraction();
+        if (this.seePlayer.yes && dist2 < 4000000) {
           const rangeWidth = 2000; //this is sqrt of 4000000 from above if()
           //targeting laser will slowly move from the mob to the player's position
           this.laserPos = Vector.add(this.laserPos, Vector.mult(Vector.sub(player.position, this.laserPos), 0.1));
           let targetDist = Vector.magnitude(Vector.sub(this.laserPos, mech.pos));
-          const r = 10;
+          const r = 12;
           ctx.beginPath();
           ctx.moveTo(this.position.x, this.position.y);
-          if (targetDist < r + 15) {
+          if (targetDist < r + 16) {
             targetDist = r + 10;
             //charge at player
-            const forceMag = this.accelMag * 40 * this.mass;
+            const forceMag = this.accelMag * 30 * this.mass;
             const angle = Math.atan2(this.seePlayer.position.y - this.position.y, this.seePlayer.position.x - this.position.x);
             this.force.x += forceMag * Math.cos(angle);
             this.force.y += forceMag * Math.sin(angle);
           } else {
             //high friction if can't lock onto player
-            Matter.Body.setVelocity(this, {
-              x: this.velocity.x * 0.96,
-              y: this.velocity.y * 0.96
-            });
+            // Matter.Body.setVelocity(this, {
+            //   x: this.velocity.x * 0.98,
+            //   y: this.velocity.y * 0.98
+            // });
           }
           if (dist2 > 80000) {
             const laserWidth = 0.002;
@@ -1436,6 +1437,58 @@ const spawn = {
       this.timeLimit();
     };
   },
+  launcher(x, y, radius = 25 + Math.ceil(Math.random() * 50)) {
+    mobs.spawn(x, y, 3, radius, "rgb(150,150,255)");
+    let me = mob[mob.length - 1];
+    me.vertices = Matter.Vertices.clockwiseSort(Matter.Vertices.rotate(me.vertices, Math.PI, me.position)); //make the pointy side of triangle the front
+    me.isVerticesChange = true
+    // Matter.Body.rotate(me, Math.PI)
+
+    me.memory = 120;
+    me.fireFreq = 0.006 + Math.random() * 0.003;
+    me.noseLength = 0;
+    me.fireAngle = 0;
+    me.accelMag = 0.0005 * game.accelScale;
+    me.frictionAir = 0.05;
+    me.lookTorque = 0.0000028 * (Math.random() > 0.5 ? -1 : 1);
+    me.fireDir = {
+      x: 0,
+      y: 0
+    };
+    me.onDeath = function () { //helps collisions functions work better after vertex have been changed
+      // this.vertices = Matter.Vertices.hull(Matter.Vertices.clockwiseSort(this.vertices))
+    }
+    // spawn.shield(me, x, y);
+    me.do = function () {
+      this.seePlayerByLookingAt();
+      this.checkStatus();
+      this.launch();
+    };
+  },
+  seeker(x, y, radius = 6, sides = 0) {
+    //bullets
+    mobs.spawn(x, y, sides, radius, "rgb(0,0,255)");
+    let me = mob[mob.length - 1];
+    me.stroke = "transparent";
+    me.onHit = function () {
+      this.explode(this.mass * 10);
+    };
+    Matter.Body.setDensity(me, 0.00005); //normal is 0.001
+    me.timeLeft = 420;
+    me.accelMag = 0.0004 * game.accelScale;
+    me.frictionAir = 0.035;
+    me.restitution = 0.5;
+    me.leaveBody = false;
+    me.dropPowerUp = false;
+    me.showHealthBar = false;
+    me.collisionFilter.category = cat.mobBullet;
+    me.collisionFilter.mask = cat.player | cat.map | cat.body | cat.bullet;
+    me.do = function () {
+      this.seePlayerCheck();
+      this.attraction();
+      this.timeLimit();
+    };
+  },
   spawner(x, y, radius = 55 + Math.ceil(Math.random() * 50)) {
     mobs.spawn(x, y, 4, radius, "rgb(255,150,0)");
     let me = mob[mob.length - 1];
diff --git a/style.css b/style.css
index a69d8d3..f0fdf70 100644
--- a/style.css
+++ b/style.css
@@ -466,6 +466,11 @@ em {
   letter-spacing: 1px;
 }
 
+.color-r {
+  color: #f7b;
+  letter-spacing: 1px;
+}
+
 .faded {
   opacity: 0.7;
   font-size: 90%;
@@ -511,7 +516,6 @@ em {
 }
 
 .reroll {
-
   /* #f84  #f99*/
   background: #f7b;
 }
diff --git a/todo.txt b/todo.txt
index 6d1354b..05c6f6a 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,20 +1,21 @@
-foam bullets are faster, smaller, shrink slower, stick to mobs better
-foam can now stick to shielded mobs, but shrinks faster
-mod: foam-bots
+mod - many worlds: spawn a reroll after choosing (or canceling) a power up
+new mob type - launcher:  similar to the shooter, but fires bullets that chase you
+plasma torch - reduces harm to player by 1/3 and has more reliable stopping power against charging mobs
+explosions and neutron bomb do 50% less damage through walls
+drone bullets bounce off mobs more predictably
 
 ************** TODO - n-gon **************
 
-power up  reroll
-  color yellow?
+what about a neutron bomb mod, that cause the bomb to activate right after you fire and slowly move forward with no gravity
 
+Drop a reroll when the player exits the selection screen without picking one of the choices
+
+redblobgames.com/articles/visibility
+  https://github.com/Silverwolf90/2d-visibility/tree/master/src
+  could apply to explosions, neutron bomb, player LOS
 
 sticking bullets don't always gain the correct speed from mobs after they die
 
-mod - frozen mobs take +33% damage
-
-mod heal to full at the end of each level
-  heal mods no longer drop?
-
 possible names for mods
   Hypergolic - A hypergolic propellant combination used in a rocket engine is one whose components spontaneously ignite when they come into contact with each other.
 
@@ -24,19 +25,6 @@ have a mob apply a positive status effect on other mobs,
   damage bonus, but how?
   possible balance issues
 
-mobs that fire grenades
-mobs that fire bullets
-  bullets that chase the player a bit (blue color)
-  short lived bullets that fire in every direction
-    or fire in a spiral over time
-
-construct
-  display outline of map to be draw while mouse is down
-  toggle between maps and bodies
-  ?highlight map/body mouse is over and be able to remove it?
-  display current output text in a box
-    live update it
-
 boss levels - small levels just a boss, and maybe a few mobs
   boss level for timeSkipBoss because of game instability for boss on normal levels
     this might not fix issues
@@ -65,10 +53,6 @@ lore - a robot (the player) gains self awareness
       the next level is the final level
   when you die with Quantum Immortality there is a chance of lore text
 
-scrap drops that can be used to buy things in a shop
-  scrap could be yellow
-  shop could appear every 4 levels
-
 mob - stuns, or slows player 
 
 boss mob - let it die multiple times and come back to life
@@ -90,16 +74,11 @@ uranium reactor core
 add player Scent Trails for mob navigation
   https://abitawake.com/news/articles/enemy-ai-chasing-a-player-without-navigation2d-or-a-star-pathfinding
 
-mod - killing a stunned mob gives something 
-  ammo or heal power up?
-
 mod - scale squirrel cage rotor with current energy
   is variable speed going to be hard to deal with?
 
 mod - you can no longer see your current health
 
-mob sniper - targeting laser, then a high speed, no gravity bullet
-
 mod - increase laser bot range, and reduce energy drain
 
 mod - mines become a turret that fires nails