diff --git a/js/bullet.js b/js/bullet.js
index 49c8671..2086889 100644
--- a/js/bullet.js
+++ b/js/bullet.js
@@ -1237,7 +1237,7 @@ const b = {
       onEnd() {},
       do() {
         if (this.lastLookCycle < game.cycle && !mech.isCloak) {
-          this.lastLookCycle = game.cycle + 80 - this.isUpgraded * 55
+          this.lastLookCycle = game.cycle + 80 - this.isUpgraded * 65
           let target
           for (let i = 0, len = mob.length; i < len; i++) {
             const dist = Vector.magnitudeSquared(Vector.sub(this.position, mob[i].position));
@@ -1302,7 +1302,7 @@ const b = {
               const radius = 6 + 7 * Math.random()
               const SPEED = 29 - radius * 0.5; //(mech.crouch ? 32 : 20) - radius * 0.7;
               const velocity = Vector.mult(Vector.normalise(Vector.sub(target, this.position)), SPEED)
-              b.foam(this.position, velocity, radius + 11 * this.isUpgraded)
+              b.foam(this.position, velocity, radius + 14 * this.isUpgraded)
               break;
             }
           }
@@ -1389,7 +1389,7 @@ const b = {
           mech.energy -= 0.0012 * mod.isLaserDiode
           // const sub = Vector.sub(this.lockedOn.position, this.vertices[0])
           // const angle = Math.atan2(sub.y, sub.x);
-          b.laser(this.vertices[0], this.lockedOn.position, b.dmgScale * (0.06 + 0.08 * this.isUpgraded))
+          b.laser(this.vertices[0], this.lockedOn.position, b.dmgScale * (0.06 + 0.1 * this.isUpgraded))
 
           // //make sure you can still see vertex
           // const DIST = Vector.magnitude(Vector.sub(this.vertices[0], this.lockedOn.position));
@@ -1458,7 +1458,7 @@ const b = {
       explode: 0,
       beforeDmg() {
         if (this.lockedOn) {
-          const explosionRadius = Math.min(170 + 140 * this.isUpgraded, Vector.magnitude(Vector.sub(this.position, mech.pos)) - 30)
+          const explosionRadius = Math.min(170 + 170 * this.isUpgraded, Vector.magnitude(Vector.sub(this.position, mech.pos)) - 30)
           if (explosionRadius > 60) {
             this.explode = explosionRadius
             // 
@@ -1564,7 +1564,7 @@ const b = {
           const DIST = Vector.magnitude(sub);
           const unit = Vector.normalise(sub)
           const DRAIN = 0.002
-          if (DIST < mod.isPlasmaRange * 500 && mech.energy > DRAIN) {
+          if (DIST < mod.isPlasmaRange * 450 && mech.energy > DRAIN) {
             mech.energy -= DRAIN;
             if (mech.energy < 0) {
               mech.fieldCDcycle = mech.cycle + 120;
@@ -2038,9 +2038,9 @@ const b = {
                   }
                 } else {
                   this.endCycle = 0;
-                  if (mod.isFlechetteExplode && !who.shield && Vector.dot(Vector.normalise(Vector.sub(who.position, this.position)), Vector.normalise(this.velocity)) > 0.98) {
+                  if (mod.isFlechetteExplode && !who.shield && Vector.dot(Vector.normalise(Vector.sub(who.position, this.position)), Vector.normalise(this.velocity)) > 0.975) {
                     // mobs.statusStun(who, 120)
-                    this.explodeRad = 250 + 30 * Math.random();
+                    this.explodeRad = 300 + 60 * Math.random();
                     b.explosion(this.position, this.explodeRad); //makes bullet do explosive damage at end
                   }
                   who.foundPlayer();
@@ -2383,7 +2383,7 @@ const b = {
         const dir = mech.angle; // + Math.random() * 0.05;
         bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 20, b.fireAttributes(dir, false));
         Matter.Body.setDensity(bullet[me], 0.0003);
-        bullet[me].explodeRad = 400 + Math.floor(Math.random() * 50);;
+        bullet[me].explodeRad = 350 + Math.floor(Math.random() * 50);;
         bullet[me].onEnd = function () {
           b.explosion(this.position, this.explodeRad); //makes bullet do explosive damage at end
           if (mod.grenadeFragments) b.targetedNail(this.position, mod.grenadeFragments)
@@ -2554,7 +2554,6 @@ const b = {
         }
         bullet[me].radiationMode = function () {
           this.stuck(); //runs different code based on what the bullet is stuck to
-
           if (!mech.isBodiesAsleep) {
             this.damageRadius = this.damageRadius * 0.85 + 0.15 * this.maxDamageRadius //smooth radius towards max
             this.maxDamageRadius -= 0.8 / mod.isBulletsLastLonger //+ 0.5 * Math.sin(game.cycle * 0.1) //slowly shrink max radius
@@ -2575,8 +2574,8 @@ 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) {
-                  let dmg = b.dmgScale * 0.025
-                  if (Matter.Query.ray(map, mob[i].position, this.position).length > 0) dmg *= 0.5 //reduce damage if a wall is in the way
+                  let dmg = b.dmgScale * 0.035
+                  if (Matter.Query.ray(map, mob[i].position, this.position).length > 0) dmg *= 0.3 //reduce damage if a wall is in the way
                   if (mob[i].shield) dmg *= 4 //x5 to make up for the /5 that shields normally take
                   mob[i].damage(dmg);
                   mob[i].locatePlayer();
@@ -3232,12 +3231,12 @@ const b = {
         mech.energy -= energy * mod.isLaserDiode
 
         if (mod.beamSplitter) {
-          energy *= 0.7
+          energy *= 0.66
           b.pulse(energy, mech.angle)
           for (let i = 1; i < 1 + mod.beamSplitter; i++) {
             energy *= 0.9
-            b.pulse(energy, mech.angle - i * 0.35)
-            b.pulse(energy, mech.angle + i * 0.35)
+            b.pulse(energy, mech.angle - i * 0.27)
+            b.pulse(energy, mech.angle + i * 0.27)
           }
         } else {
           b.pulse(energy, mech.angle)
diff --git a/js/game.js b/js/game.js
index a4b1db0..4aab2b4 100644
--- a/js/game.js
+++ b/js/game.js
@@ -134,6 +134,7 @@ const game = {
   accelScale: null, //set in levels.setDifficulty
   CDScale: null, //set in levels.setDifficulty
   lookFreqScale: null, //set in levels.setDifficulty
+  isNoPowerUps: false,
   // dropFPS(cap = 40, time = 15) {
   //   game.fpsCap = cap
   //   game.fpsInterval = 1000 / game.fpsCap;
@@ -461,6 +462,7 @@ const game = {
   reset() { //run on first run, and each later run after you die
     input.endKeySensing();
     b.removeAllGuns();
+    game.isNoPowerUps = false;
     mod.setupAllMods(); //sets mods to default values
     b.setFireCD();
     game.updateModHUD();
@@ -684,48 +686,45 @@ const game = {
       if (mech.energy > mech.maxEnergy) mech.energy = mech.maxEnergy + (mech.energy - mech.maxEnergy) * 0.75
 
       if (mech.pos.y > game.fallHeight) { // if 4000px deep
-        if (game.difficultyMode > 4) {
-          mech.death();
-        } else {
 
-          // Matter.Body.setPosition(player, {
-          //   x: player.position.x,
-          //   y: level.enter.y - 5000
-          // });
 
-          // mech.pos.x = player.position.x;
-          // mech.pos.y = playerBody.position.y - mech.yOff;
-          // const scale = 0.8;
-          // const velocityScale = 12
-          // mech.transSmoothX = canvas.width2 - mech.pos.x - (game.mouse.x - canvas.width2) * scale + player.velocity.x * velocityScale;
-          // mech.transSmoothY = canvas.height2 - mech.pos.y - (game.mouse.y - canvas.height2) * scale + player.velocity.y * velocityScale;
-          // mech.transX += (mech.transSmoothX - mech.transX) * 1;
-          // mech.transY += (mech.transSmoothY - mech.transY) * 1;
+        // Matter.Body.setPosition(player, {
+        //   x: player.position.x,
+        //   y: level.enter.y - 5000
+        // });
 
-          Matter.Body.setVelocity(player, {
-            x: 0,
-            y: 0
-          });
-          Matter.Body.setPosition(player, {
-            x: level.enter.x + 50,
-            y: level.enter.y - 20
-          });
-          // move bots
-          for (let i = 0; i < bullet.length; i++) {
-            if (bullet[i].botType) {
-              Matter.Body.setPosition(bullet[i], Vector.add(player.position, {
-                x: 250 * (Math.random() - 0.5),
-                y: 250 * (Math.random() - 0.5)
-              }));
-              Matter.Body.setVelocity(bullet[i], {
-                x: 0,
-                y: 0
-              });
-            }
+        // mech.pos.x = player.position.x;
+        // mech.pos.y = playerBody.position.y - mech.yOff;
+        // const scale = 0.8;
+        // const velocityScale = 12
+        // mech.transSmoothX = canvas.width2 - mech.pos.x - (game.mouse.x - canvas.width2) * scale + player.velocity.x * velocityScale;
+        // mech.transSmoothY = canvas.height2 - mech.pos.y - (game.mouse.y - canvas.height2) * scale + player.velocity.y * velocityScale;
+        // mech.transX += (mech.transSmoothX - mech.transX) * 1;
+        // mech.transY += (mech.transSmoothY - mech.transY) * 1;
+
+        Matter.Body.setVelocity(player, {
+          x: 0,
+          y: 0
+        });
+        Matter.Body.setPosition(player, {
+          x: level.enter.x + 50,
+          y: level.enter.y - 20
+        });
+        // move bots
+        for (let i = 0; i < bullet.length; i++) {
+          if (bullet[i].botType) {
+            Matter.Body.setPosition(bullet[i], Vector.add(player.position, {
+              x: 250 * (Math.random() - 0.5),
+              y: 250 * (Math.random() - 0.5)
+            }));
+            Matter.Body.setVelocity(bullet[i], {
+              x: 0,
+              y: 0
+            });
           }
-          mech.damage(0.1 * game.difficultyMode);
-          mech.energy = 0.01;
         }
+        mech.damage(0.1 * game.difficultyMode);
+        mech.energy -= 0.1 * game.difficultyMode
       }
 
       // if (mod.isEnergyDamage) {
@@ -749,7 +748,7 @@ const game = {
           let i = who.length;
           while (i--) {
             if (who[i].position.y > game.fallHeight) {
-              if (save && game.difficultyMode < 5) {
+              if (save) {
                 Matter.Body.setVelocity(who[i], {
                   x: 0,
                   y: 0
diff --git a/js/index.js b/js/index.js
index 0c12c16..b7bc7cf 100644
--- a/js/index.js
+++ b/js/index.js
@@ -105,6 +105,9 @@ window.addEventListener('load', (event) => {
       if (property === "level") {
         document.getElementById("starting-level").value = Number(set[property])
       }
+      if (property === "noPower") {
+        document.getElementById("no-power-ups").checked = Number(set[property])
+      }
     }
   }
 });
@@ -314,15 +317,21 @@ const build = {
       </g>
     </svg>
   </div>
-  <div style="align-items: center; text-align:center; font-size: 1.00em; line-height: 220%;background-color:var(--build-bg-color);">
+  <div style="align-items: center; text-align:center; font-size: 1.00em; line-height: 190%;background-color:var(--build-bg-color);">
     <div>starting level: <input id='starting-level' type="number" step="1" value="0" min="0" max="99"></div>
+    <div>
     <label for="difficulty-select" title="effects: number of mobs, damage done by mobs, damage done to mobs, mob speed, heal effects">difficulty:</label>
-    <select name="difficulty-select" id="difficulty-select-custom">
-      <option value="1">easy</option>
-      <option value="2" selected>normal</option>
-      <option value="4">hard</option>
-      <option value="6">why?</option>
-    </select>
+      <select name="difficulty-select" id="difficulty-select-custom">
+        <option value="1">easy</option>
+        <option value="2" selected>normal</option>
+        <option value="4">hard</option>
+        <option value="6">why?</option>
+      </select>
+    </div>
+    <div>
+      <label for="no-power-ups" title="no mods, fields, or guns will spawn during the game">no power ups:</label>
+      <input type="checkbox" id="no-power-ups" name="no-power-ups" style="width:17px; height:17px;">
+    </div>
   </div>`
     for (let i = 0, len = mech.fieldUpgrades.length; i < len; i++) {
       text += `<div id ="field-${i}" class="build-grid-module" onclick="build.choosePowerUp(this,${i},'field')"><div class="grid-title"><div class="circle-grid field"></div> &nbsp; ${mech.fieldUpgrades[i].name}</div> ${mech.fieldUpgrades[i].description}</div>`
@@ -390,6 +399,7 @@ const build = {
     url += `&field=${encodeURIComponent(mech.fieldUpgrades[mech.fieldMode].name.trim())}`
     url += `&difficulty=${game.difficultyMode}`
     url += `&level=${Math.abs(Number(document.getElementById("starting-level").value))}`
+    url += `&noPower=${Number(document.getElementById("no-power-ups").checked)}`
     console.log(url)
     game.copyToClipBoard(url)
     alert('n-gon build URL copied to clipboard.\nPaste into browser address bar.')
@@ -407,6 +417,20 @@ const build = {
     const levelsCleared = Math.abs(Number(document.getElementById("starting-level").value))
     level.difficultyIncrease(Math.min(99, levelsCleared * game.difficultyMode)) //increase difficulty based on modes
     level.levelsCleared += levelsCleared;
+    game.isNoPowerUps = document.getElementById("no-power-ups").checked
+    if (game.isNoPowerUps) { //remove mods, guns, and fields
+      function removeOne() { //recursive remove one at a time to avoid array problems
+        for (let i = 0; i < powerUp.length; i++) {
+          if (powerUp[i].name === "mod" || powerUp[i].name === "gun" || powerUp[i].name === "field") {
+            Matter.World.remove(engine.world, powerUp[i]);
+            powerUp.splice(i, 1);
+            removeOne();
+            break
+          }
+        }
+      }
+      removeOne();
+    }
     game.isCheating = true;
     document.body.style.cursor = "none";
     document.body.style.overflow = "hidden"
@@ -795,6 +819,7 @@ window.addEventListener("keydown", function (event) {
         }
         break
       case "u":
+        level.bossKilled = true; //if there is no boss this needs to be true to increase levels
         level.nextLevel();
         break
       case "X": //capital X to make it hard to die
diff --git a/js/level.js b/js/level.js
index d8af4d5..6bb7b35 100644
--- a/js/level.js
+++ b/js/level.js
@@ -21,7 +21,7 @@ const level = {
       // for (let i = 0; i < 10; i++) {
       // mod.giveMod("laser-bot");
       // }
-      // mod.giveMod("vacuum bomb")
+      // mod.giveMod("cardinality")
 
 
       level.intro(); //starting level
@@ -149,11 +149,11 @@ const level = {
     // spawn.spawner(1600, -500)
     // spawn.sniper(1700, -120, 50)
     // spawn.bomberBoss(1400, -500)
-    // spawn.sniper(1800, -120)
+    spawn.launcher(1800, -120)
     // spawn.cellBossCulture(1600, -500)
     // spawn.powerUpBoss(1600, -500)
-    spawn.sniper(1200, -500)
-    spawn.shield(mob[mob.length - 1], 1200, -500, 1);
+    // spawn.sniper(1200, -500)
+    // spawn.shield(mob[mob.length - 1], 1200, -500, 1);
 
     // spawn.nodeBoss(1200, -500, "launcher")
     // spawn.snakeBoss(1200, -500)
@@ -1817,7 +1817,7 @@ const level = {
     spawn.mapRect(-4450, -600, 2300, 750);
     spawn.mapRect(-2225, -500, 175, 550);
     // spawn.mapRect(-2600, -975, 450, 50);
-    spawn.boost(-2800, -600, 1150);
+    spawn.boost(-2800, -600, 1700);
     spawn.mapRect(-3450, -1325, 550, 50);
     spawn.mapRect(-3425, -2200, 525, 50);
     spawn.mapRect(-2600, -1700, 450, 50);
@@ -2964,6 +2964,40 @@ const level = {
       spawn.randomMob(2450, 2030, 0.3)
       spawn.randomMob(3300, 1980, 0.3)
       levelCustom2();
+      if (game.difficulty > 2) {
+        if (Math.random() < 0.2) {
+          // tether ball
+          spawn.tetherBoss(8000, 630)
+          let me = mob[mob.length - 1];
+          me.onDeath = function () {
+            this.removeCons(); //remove constraint
+            spawnCouloirEnHaut()
+          };
+          cons[cons.length] = Constraint.create({
+            pointA: {
+              x: 8550,
+              y: 680
+            },
+            bodyB: mob[mob.length - 1],
+            stiffness: 0.00015
+          });
+          World.add(engine.world, cons[cons.length - 1]);
+          if (game.difficulty > 4) spawn.nodeBoss(8000, 630, "spawns", 8, 20, 105);
+        } else if (game.difficulty > 3) {
+          spawn.randomLevelBoss(8000, 630, ["shooterBoss", "launcherBoss", "laserTargetingBoss", "spiderBoss", "laserBoss", "bomberBoss"]);
+          let me = mob[mob.length - 1];
+          me.onDeath = function () {
+            this.removeCons(); //remove constraint
+            spawnCouloirEnHaut()
+          };
+        }
+      } else {
+        spawn.randomLevelBoss(8000, 630, ["shooterBoss"]);
+        let me = mob[mob.length - 1];
+        me.onDeath = function () {
+          spawnCouloirEnHaut()
+        };
+      }
     }
 
     function spawnCouloirEnHaut() {
@@ -3227,41 +3261,6 @@ const level = {
     spawn.randomMob(1250, 55, 0.2);
     spawn.randomMob(8800, -45, 0.2);
     spawn.randomBoss(8025, -845, 0.2);
-
-    if (game.difficulty > 2) {
-      if (Math.random() < 0.2) {
-        // tether ball
-        spawn.tetherBoss(8000, 630)
-        let me = mob[mob.length - 1];
-        me.onDeath = function () {
-          this.removeCons(); //remove constraint
-          spawnCouloirEnHaut()
-        };
-        cons[cons.length] = Constraint.create({
-          pointA: {
-            x: 8550,
-            y: 680
-          },
-          bodyB: mob[mob.length - 1],
-          stiffness: 0.00015
-        });
-        World.add(engine.world, cons[cons.length - 1]);
-        if (game.difficulty > 4) spawn.nodeBoss(8000, 630, "spawns", 8, 20, 105);
-      } else if (game.difficulty > 3) {
-        spawn.randomLevelBoss(8000, 630, ["shooterBoss", "launcherBoss", "laserTargetingBoss", "spiderBoss", "laserBoss", "bomberBoss"]);
-        let me = mob[mob.length - 1];
-        me.onDeath = function () {
-          this.removeCons(); //remove constraint
-          spawnCouloirEnHaut()
-        };
-      }
-    } else {
-      spawn.randomLevelBoss(8000, 630, ["shooterBoss"]);
-      let me = mob[mob.length - 1];
-      me.onDeath = function () {
-        spawnCouloirEnHaut()
-      };
-    }
   },
   house() {
     const rotor = level.rotor(4315, -315, -0.0002, 120, 20, 200);
diff --git a/js/mods.js b/js/mods.js
index 96340a9..9252f20 100644
--- a/js/mods.js
+++ b/js/mods.js
@@ -519,7 +519,7 @@ const mod = {
         },
         {
             name: "nail-bot upgrade",
-            description: "<strong>125%</strong> increased <strong> fire rate</strong><br><em>applies to all current and future nail-bots</em>",
+            description: "<strong>300%</strong> increased <strong> fire rate</strong><br><em>applies to all current and future nail-bots</em>",
             maxCount: 1,
             count: 0,
             allowed() {
@@ -558,7 +558,7 @@ const mod = {
         },
         {
             name: "foam-bot upgrade",
-            description: "<strong>125%</strong> increased <strong>foam size</strong><br><em>applies to all current and future foam-bots</em>",
+            description: "<strong>200%</strong> increased <strong>foam size</strong><br><em>applies to all current and future foam-bots</em>",
             maxCount: 1,
             count: 0,
             allowed() {
@@ -597,7 +597,7 @@ const mod = {
         },
         {
             name: "boom-bot upgrade",
-            description: "<strong>125%</strong> increased <strong class='color-e'>explosion</strong> <strong class='color-d'>damage</strong> and size<br><em>applies to all current and future boom-bots</em>",
+            description: "<strong>200%</strong> increased <strong class='color-e'>explosion</strong> <strong class='color-d'>damage</strong> and size<br><em>applies to all current and future boom-bots</em>",
             maxCount: 1,
             count: 0,
             allowed() {
@@ -636,7 +636,7 @@ const mod = {
         },
         {
             name: "laser-bot upgrade",
-            description: "<strong>125%</strong> increased laser <strong class='color-d'>damage</strong><br><em>applies to all current and future laser-bots</em>",
+            description: "<strong>200%</strong> increased laser <strong class='color-d'>damage</strong><br><em>applies to all current and future laser-bots</em>",
             maxCount: 1,
             count: 0,
             allowed() {
diff --git a/js/player.js b/js/player.js
index f295858..82634d3 100644
--- a/js/player.js
+++ b/js/player.js
@@ -1374,7 +1374,7 @@ const mech = {
             for (let i = 0; i < mob.length; i++) {
               const distance = Vector.magnitude(Vector.sub(mech.pos, mob[i].position))
               if (distance < range) {
-                const cap = mob[i].isShielded ? 7 : 3.5
+                const cap = mob[i].isShielded ? 8 : 4
                 if (mob[i].speed > cap && Vector.dot(mob[i].velocity, Vector.sub(mech.pos, mob[i].position)) > 0) { // if velocity is directed towards player
                   Matter.Body.setVelocity(mob[i], Vector.mult(Vector.normalise(mob[i].velocity), cap)); //set velocity to cap, but keep the direction
                 }
@@ -1734,7 +1734,7 @@ const mech = {
             mech.grabPowerUp();
             mech.lookForPickUp(180);
 
-            const DRAIN = 0.0007
+            const DRAIN = 0.0006
             if (mech.energy > DRAIN) {
               mech.energy -= DRAIN;
               if (mech.energy < DRAIN) {
@@ -2425,7 +2425,7 @@ const mech = {
             ) {
               const sub = Vector.sub(game.mouseInGame, mech.pos)
               const mag = Vector.magnitude(sub)
-              const drain = 0.07 + 0.008 * Math.sqrt(mag)
+              const drain = 0.04 + 0.007 * Math.sqrt(mag)
               if (mech.energy > drain && mag > 300) {
                 mech.energy -= drain
                 mech.hole.isReady = false;
diff --git a/js/powerup.js b/js/powerup.js
index e6e52a4..cd757a3 100644
--- a/js/powerup.js
+++ b/js/powerup.js
@@ -22,8 +22,10 @@ const powerUps = {
     powerUps.endDraft();
   },
   showDraft() {
+    // document.getElementById("choose-grid").style.gridTemplateColumns = "repeat(2, minmax(370px, 1fr))"
     document.getElementById("choose-grid").style.display = "grid"
     document.getElementById("choose-background").style.display = "inline"
+
     document.body.style.cursor = "auto";
     if (mod.isExtraChoice) {
       document.body.style.overflowY = "scroll";
@@ -591,8 +593,9 @@ const powerUps = {
   },
   spawn(x, y, target, moving = true, mode = null, size = powerUps[target].size()) {
     if (
-      !(mod.isSuperDeterminism && (target === 'gun' || target === 'field' || target === 'reroll')) &&
-      !(mod.isEnergyNoAmmo && target === 'ammo')
+      (!mod.isSuperDeterminism || (target === 'mod' || target === 'heal' || target === 'ammo')) &&
+      !(mod.isEnergyNoAmmo && target === 'ammo') &&
+      (!game.isNoPowerUps || (target === 'reroll' || target === 'heal' || target === 'ammo'))
     ) {
       powerUps.directSpawn(x, y, target, moving, mode, size)
       if (mod.duplicateChance && Math.random() < mod.duplicateChance) {
diff --git a/js/spawn.js b/js/spawn.js
index 6cce754..af12b5f 100644
--- a/js/spawn.js
+++ b/js/spawn.js
@@ -232,8 +232,8 @@ const spawn = {
     let me = mob[mob.length - 1];
     me.isBoss = true;
     me.frictionAir = 0.01
-    me.seeAtDistance2 = 9000000;
-    me.accelMag = 0.00065 * game.accelScale;
+    me.seeAtDistance2 = 1000000;
+    me.accelMag = 0.0005 * game.accelScale;
     Matter.Body.setDensity(me, 0.0006); //normal is 0.001
     me.collisionFilter.mask = cat.bullet | cat.player
     me.memory = Infinity;
@@ -1682,9 +1682,9 @@ const spawn = {
     let me = mob[mob.length - 1];
     me.stroke = "transparent";
     me.onHit = function () {
-      this.explode(this.mass * 10);
+      this.explode(this.mass * 20);
     };
-    Matter.Body.setDensity(me, 0.0001); //normal is 0.001
+    Matter.Body.setDensity(me, 0.00005); //normal is 0.001
     me.timeLeft = 200;
     me.g = 0.001; //required if using 'gravity'
     me.frictionAir = 0;
@@ -1704,7 +1704,7 @@ const spawn = {
     let me = mob[mob.length - 1];
     me.stroke = "transparent";
     me.onHit = function () {
-      this.explode(this.mass * 10);
+      this.explode(this.mass * 120);
     };
     me.onDeath = function () {
       if (game.difficulty > 4) {
@@ -1736,7 +1736,7 @@ const spawn = {
         });
       }
     }
-    Matter.Body.setDensity(me, 0.0001); //normal is 0.001
+    Matter.Body.setDensity(me, 0.00005); //normal is 0.001
     me.timeLeft = 140 + Math.floor(Math.random() * 30);
     me.g = 0.001; //required if using 'gravity'
     me.frictionAir = 0;
@@ -1867,9 +1867,9 @@ const spawn = {
     let me = mob[mob.length - 1];
     me.stroke = "transparent";
     me.onHit = function () {
-      this.explode(this.mass * 10);
+      this.explode(this.mass * 20);
     };
-    Matter.Body.setDensity(me, 0.0001); //normal is 0.001
+    Matter.Body.setDensity(me, 0.00005); //normal is 0.001
     me.timeLeft = 240;
     me.g = 0.001; //required if using 'gravity'
     me.frictionAir = 0;
@@ -1956,13 +1956,13 @@ const spawn = {
   },
   seeker(x, y, radius = 5, sides = 0) {
     //bullets
-    mobs.spawn(x, y, sides, radius, "rgb(100,100,255)");
+    mobs.spawn(x, y, sides, radius, "rgb(150,150,255)");
     let me = mob[mob.length - 1];
     me.stroke = "transparent";
     me.onHit = function () {
-      this.explode(this.mass * 10);
+      this.explode(this.mass * 20);
     };
-    Matter.Body.setDensity(me, 0.00005); //normal is 0.001
+    Matter.Body.setDensity(me, 0.00002); //normal is 0.001
     me.timeLeft = 420 * (0.8 + 0.4 * Math.random());
     me.accelMag = 0.00017 * (0.8 + 0.4 * Math.random()) * game.accelScale;
     me.frictionAir = 0.01 * (0.8 + 0.4 * Math.random());
diff --git a/todo.txt b/todo.txt
index d8ef188..940a4b8 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,38 +1,31 @@
-
-gun: pulse is now a mod for laser
-  mod: beam splitter applies to pulse
-
-difficulty balancing 
-  (this needs to be done as more mods are added to the game to prevent power creep)
-  all modes are a bit harder
-    if you used to play why, try the new hard
-    if you used to play hard try the new normal
-  power ups drop more often from bosses on all modes
+neutron bomb does 60% more damage
+powerUpBoss has a shorter vision range, and accelerates slower
+custom mode has the option to disable mod, guns, and fields
 
 ************** TODO - n-gon **************
 
+add setting to disable power ups spawns for custom mode
+
 mod - explosions apply radiation damage over time
-  or spawn a neutron bomb with a timer
+  or spawn a neutron bomb with a short timer
 
 mod self destruct - drones explode when they die
   drones lose extra time on collisions
 
-optional setting for people with desktops that want double mobs
-
-combine more stuff?
-  ____ mod for ____
-  flak -> missiles
-  neutron bomb -> mines
-  iceIX -> foam
-  flechettes -> nail gun
-
-mod: stealth field - mark a mob, it you next kill is that mob get a bonus power up
-  run only at the start of a new level
-
 add an ending to the game
-  revamp the boss level, or add a new final level
-    final level requires you to kill something
-      so skipping content is only smart if you are strong enough to beat the final boss
+  add a final boss battle level
+    final boss has elements of other bosses
+      alternate between black hole aura and laser beams
+      fire seeker bullets
+      drop bombs
+      tail of shielded mobs
+      shield
+  mirror ending (if no cheats)
+    level after final boss battle is the intro level, but flipped left right, with a fake player
+      damage the fake player to end the game?
+  no ending (if cheats)
+    game goes on forever
+  
   around level 15
   game never ends if you have used cheats