diff --git a/.DS_Store b/.DS_Store
index e90bcb8..e0de150 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/js/bullet.js b/js/bullet.js
index 83874d2..10b0bbb 100644
--- a/js/bullet.js
+++ b/js/bullet.js
@@ -1873,7 +1873,7 @@ const b = {
                 },
                 onEnd() {
                     if (tech.isMutualism && this.isMutualismActive && !tech.isEnergyHealth) {
-                        m.health += 0.005 + 0.005 * tech.isSporeWorm
+                        m.health += 0.01
                         if (m.health > m.maxHealth) m.health = m.maxHealth;
                         m.displayHealth();
                     }
@@ -1931,7 +1931,7 @@ const b = {
             });
             Composite.add(engine.world, bullet[bIndex]); //add bullet to world
             if (tech.isMutualism && m.health > 0.02) {
-                m.health -= 0.005 - 0.005 * tech.isSporeWorm
+                m.health -= 0.01
                 m.displayHealth();
                 bullet[bIndex].isMutualismActive = true
             }
@@ -1969,7 +1969,7 @@ const b = {
                 },
                 onEnd() {
                     if (tech.isMutualism && this.isMutualismActive && !tech.isEnergyHealth) {
-                        m.health += 0.005 + 0.005 * tech.isSporeWorm
+                        m.health += 0.005
                         if (m.health > m.maxHealth) m.health = m.maxHealth;
                         m.displayHealth();
                     }
@@ -2051,8 +2051,8 @@ const b = {
             });
             Composite.add(engine.world, bullet[bIndex]); //add bullet to world
 
-            if (tech.isMutualism && m.health > 0.02) {
-                m.health -= 0.005 - 0.005 * tech.isSporeWorm
+            if (tech.isMutualism && m.health > 0.01) {
+                m.health -= 0.005 
                 m.displayHealth();
                 bullet[bIndex].isMutualismActive = true
             }
@@ -5083,7 +5083,7 @@ const b = {
                             const previousCharge = this.charge
                             let smoothRate = (m.crouch ? 0.98 : 0.985) * (0.98 + 0.02 * b.fireCDscale) //small b.fireCDscale = faster shots, b.fireCDscale=1 = normal shot,  big b.fireCDscale = slower chot
                             this.charge = this.charge * smoothRate + 1 - smoothRate
-                            m.energy -= (this.charge - previousCharge) * (tech.isRailEnergyGain ? 1 : 0.33) //energy drain is proportional to charge gained, but doesn't stop normal m.fieldRegen
+                            m.energy += (this.charge - previousCharge) * (tech.isRailEnergyGain ? 1 : -0.33) //energy drain is proportional to charge gained, but doesn't stop normal m.fieldRegen
                             //draw targeting
                             let best;
                             let range = 3000
diff --git a/js/level.js b/js/level.js
index fcda538..5276bc4 100644
--- a/js/level.js
+++ b/js/level.js
@@ -16,7 +16,7 @@ const level = {
             // level.difficultyIncrease(30) //30 is near max on hard  //60 is near max on why
             // simulation.isHorizontalFlipped = true
             // tech.isFieldFree = true
-            // m.setField("time dilation")
+            // m.setField("perfect diamagnetism")
             // b.giveGuns("rail gun")
             // tech.missileBotCount++;
             // b.missileBot();
@@ -56,7 +56,7 @@ const level = {
             // for (let i = 0; i < 30; i++) powerUps.spawn(player.position.x + Math.random() * 50, player.position.y - Math.random() * 50, "tech", false);
             // for (let i = 0; i < 7; i++) tech.giveTech("undefined")
             // lore.techCount = 6
-            simulation.enableConstructMode() //used to build maps in testing mode
+            // simulation.enableConstructMode() //used to build maps in testing mode
 
             // simulation.isCheating = false //true;
             // localSettings.loreCount = 3; //this sets what conversation is heard
@@ -2270,10 +2270,11 @@ const level = {
         spawn.mapRect(5300, -275, 50, 175);
         spawn.mapRect(5050, -100, 50, 150);
         spawn.mapRect(4850, -275, 50, 175);
+        // level.difficultyIncrease(30) //30 is near max on hard  //60 is near max on why
         // spawn.starter(1900, -500, 200) //big boy
-        // spawn.growBossCulture(1900, -500)
+        spawn.growBossCulture(1900, -500)
         // spawn.blinkBoss(1900, -500)
-        spawn.snakeSpitBoss(1900, -500)
+        // spawn.snakeSpitBoss(1900, -500)
         // spawn.growBossCulture(1900, -500)
         // spawn.sneaker(1900, -500)
         // spawn.historyBoss(1200, -500)
@@ -2281,8 +2282,8 @@ const level = {
         // spawn.focuser(1600, -500)
         // spawn.laserTargetingBoss(1700, -120)
         // spawn.bomberBoss(1400, -500)
-        // spawn.hopBoss(1800, -120)
-        spawn.streamBoss(1600, -500)
+        // spawn.beamer(1800, -120)
+        // spawn.orbitalBoss(1600, -500)
         // spawn.powerUpBoss(1600, -500)
         // spawn.cellBossCulture(1600, -500)
         // spawn.laserTargetingBoss(1600, -500)
diff --git a/js/mob.js b/js/mob.js
index 079107d..ede5414 100644
--- a/js/mob.js
+++ b/js/mob.js
@@ -458,7 +458,6 @@ const mobs = {
                         ctx.arc(m.pos.x, m.pos.y, 40, 0, 2 * Math.PI);
                         ctx.fillStyle = "rgba(255,0,170,0.15)";
                         ctx.fill();
-
                     }
                     ctx.beginPath();
                     ctx.arc(this.position.x, this.position.y, this.laserRange * 0.9, 0, 2 * Math.PI);
diff --git a/js/player.js b/js/player.js
index 53efedf..40b8cb6 100644
--- a/js/player.js
+++ b/js/player.js
@@ -1578,7 +1578,7 @@ const m = {
             // description: "gain <strong class='color-f'>energy</strong> when <strong>blocking</strong><br>no <strong>recoil</strong> when <strong>blocking</strong>",
             effect: () => {
                 m.fieldShieldingScale = 0;
-                m.fieldBlockCD = 4;
+                m.fieldBlockCD = 3;
                 m.grabPowerUpRange2 = 10000000
                 m.fieldPosition = { x: m.pos.x, y: m.pos.y }
                 m.fieldAngle = m.angle
@@ -1619,7 +1619,45 @@ const m = {
                                     ctx.lineWidth = 3;
                                     ctx.strokeStyle = "#f0f";
                                     ctx.stroke();
-                                } else if (!isFree) {
+                                } else if (isFree) {
+                                    //when blocking draw this graphic
+                                    // const len = mob[i].vertices.length - 1;
+                                    ctx.fillStyle = "rgba(110,170,200," + (0.2 + 0.4 * Math.random()) + ")";
+                                    ctx.lineWidth = 2;
+                                    ctx.strokeStyle = "#000";
+                                    // const angleOff = m.fieldAngle + 2 * m.fieldArc * (Math.random() - 0.5)
+                                    // const off = {
+                                    //     x: m.fieldRange * Math.cos(angleOff),
+                                    //     y: m.fieldRange * Math.sin(angleOff),
+                                    // }
+                                    // const where = Vector.add(m.fieldPosition, off)
+                                    // ctx.beginPath();
+                                    // ctx.moveTo(where.x, where.y);
+                                    // ctx.lineTo(mob[i].vertices[len].x, mob[i].vertices[len].y);
+                                    // ctx.lineTo(mob[i].vertices[0].x, mob[i].vertices[0].y);
+                                    // ctx.fill();
+                                    // ctx.stroke();
+                                    // for (let j = 0; j < len; j++) {
+                                    //     ctx.beginPath();
+                                    //     ctx.moveTo(where.x, where.y);
+                                    //     ctx.lineTo(mob[i].vertices[j].x, mob[i].vertices[j].y);
+                                    //     ctx.lineTo(mob[i].vertices[j + 1].x, mob[i].vertices[j + 1].y);
+                                    //     ctx.fill();
+                                    //     ctx.stroke();
+                                    // }
+
+
+                                    const len = mob[i].vertices.length - 1;
+                                    const mag = mob[i].radius
+                                    ctx.beginPath();
+                                    ctx.moveTo(mob[i].vertices[len].x + mag * (Math.random() - 0.5), mob[i].vertices[len].y + mag * (Math.random() - 0.5))
+                                    for (let j = 0; j < len; j++) {
+                                        ctx.lineTo(mob[i].vertices[j].x + mag * (Math.random() - 0.5), mob[i].vertices[j].y + mag * (Math.random() - 0.5));
+                                    }
+                                    ctx.lineTo(mob[i].vertices[len].x + mag * (Math.random() - 0.5), mob[i].vertices[len].y + mag * (Math.random() - 0.5))
+                                    ctx.fill();
+                                    ctx.stroke();
+                                } else {
                                     //when blocking draw this graphic
                                     const eye = 15;
                                     const len = mob[i].vertices.length - 1;
@@ -1643,7 +1681,7 @@ const m = {
                                 }
                                 if (tech.isStunField) mobs.statusStun(mob[i], tech.isStunField)
                                 //knock backs
-                                const massRoot = Math.sqrt(Math.max(0.15, mob[i].mass)); // masses above 12 can start to overcome the push back
+                                const massRoot = Math.sqrt(Math.max(0.15, mob[i].mass));
                                 Matter.Body.setVelocity(mob[i], {
                                     x: player.velocity.x - (20 * unit.x) / massRoot,
                                     y: player.velocity.y - (20 * unit.y) / massRoot
@@ -1655,7 +1693,7 @@ const m = {
 
                             } else {
                                 if (mob[i].isDropPowerUp && player.speed < 12) {
-                                    const massRootCap = Math.sqrt(Math.min(10, Math.max(0.4, mob[i].mass))); // masses above 12 can start to overcome the push back
+                                    const massRootCap = Math.sqrt(Math.min(10, Math.max(0.2, mob[i].mass)));
                                     Matter.Body.setVelocity(player, {
                                         x: 0.9 * player.velocity.x + 0.6 * unit.x * massRootCap,
                                         y: 0.9 * player.velocity.y + 0.6 * unit.y * massRootCap
@@ -2155,7 +2193,7 @@ const m = {
                         m.holdingTarget = null; //clears holding target (this is so you only pick up right after the field button is released and a hold target exists)
                     }
 
-                    //shooting (or using field) enable cloak
+                    //not shooting (or using field) enable cloak
                     if (m.energy < 0.05 && m.fireCDcycle < m.cycle && !input.fire) m.fireCDcycle = m.cycle
                     if (m.fireCDcycle + 30 < m.cycle && !input.fire) { //automatically cloak if not firing
                         if (!m.isCloak) {
diff --git a/js/powerup.js b/js/powerup.js
index 22f4d6b..102ba8a 100644
--- a/js/powerup.js
+++ b/js/powerup.js
@@ -456,7 +456,8 @@ const powerUps = {
                 } else if (powerUps.research.count) {
                     text += `<div class="choose-grid-module" onclick="powerUps.research.use('field')"><div class="grid-title"> <span style="position:relative;">`
                     for (let i = 0, len = Math.min(powerUps.research.count, 30); i < len; i++) text += `<div class="circle-grid research" style="position:absolute; top:0; left:${(18 - len*0.3)*i}px ;opacity:0.8; border: 1px #fff solid;"></div>`
-                    text += `</span>&nbsp; <span class='research-select'>research</span></div></div>`
+                    // text += `</span>&nbsp; <span class='research-select'>research</span></div></div>`
+                    text += `</span>&nbsp; <span class='research-select'>${tech.isResearchReality?"<span class='alt'>alternate reality</span>": "research"}</span></div></div>`
                 }
                 //(${powerUps.research.count})
                 // text += `<div style = 'color:#fff'>${simulation.SVGrightMouse} activate the shield with the right mouse<br>fields shield you from damage <br>and let you pick up and throw blocks</div>`
@@ -589,7 +590,8 @@ const powerUps = {
                     } else if (powerUps.research.count) {
                         text += `<div class="choose-grid-module" onclick="powerUps.research.use('tech')"><div class="grid-title"> <span style="position:relative;">`
                         for (let i = 0, len = Math.min(powerUps.research.count, 30); i < len; i++) text += `<div class="circle-grid research" style="position:absolute; top:0; left:${(18 - len*0.3)*i}px;opacity:0.8; border: 1px #fff solid;"></div>`
-                        text += `</span>&nbsp; <span class='research-select'>research</span></div></div>`
+                        // text += `</span>&nbsp; <span class='research-select'>research</span></div></div>`
+                        text += `</span>&nbsp; <span class='research-select'>${tech.isResearchReality?"<span class='alt'>alternate reality</span>": "research"}</span></div></div>`
                     }
 
                     document.getElementById("choose-grid").innerHTML = text
@@ -677,7 +679,7 @@ const powerUps = {
                 } else if (powerUps.research.count) {
                     text += `<div class="choose-grid-module" onclick="powerUps.research.use('gun')"><div class="grid-title"> <span style="position:relative;">`
                     for (let i = 0, len = Math.min(powerUps.research.count, 30); i < len; i++) text += `<div class="circle-grid research" style="position:absolute; top:0; left:${(18 - len*0.3)*i}px ;opacity:0.8; border: 1px #fff solid;"></div>`
-                    text += `</span>&nbsp; <span class='research-select'>research</span></div></div>`
+                    text += `</span>&nbsp; <span class='research-select'>${tech.isResearchReality?"<span class='alt'>alternate reality</span>": "research"}</span></div></div>`
                 }
                 // console.log(powerUps.gun.choiceLog)
                 // console.log(choice1, choice2, choice3)
diff --git a/js/spawn.js b/js/spawn.js
index cb45e04..b390bc7 100644
--- a/js/spawn.js
+++ b/js/spawn.js
@@ -4041,7 +4041,7 @@ const spawn = {
     },
     orbitalBoss(x, y, radius = 88) {
         const nodeBalance = Math.random()
-        const nodes = Math.min(15, Math.floor(1 + 5 * nodeBalance + 0.75 * Math.sqrt(simulation.difficulty)))
+        const nodes = Math.min(15, Math.floor(2 + 4 * nodeBalance + 0.75 * Math.sqrt(simulation.difficulty)))
         mobs.spawn(x, y, nodes, radius, "rgb(255,0,150)");
         let me = mob[mob.length - 1];
         me.isBoss = true;
@@ -4051,8 +4051,8 @@ const spawn = {
         me.stroke = "transparent"; //used for drawGhost
         me.seeAtDistance2 = 2000000;
         me.memory = Infinity;
-        me.frictionAir = 0.02;
-        me.accelMag = 0.00015 * Math.sqrt(simulation.accelScale)
+        me.frictionAir = 0.04;
+        me.accelMag = 0.0003 * simulation.accelScale
         me.collisionFilter.mask = cat.player | cat.bullet //| cat.body
         spawn.shield(me, x, y, 1);
 
diff --git a/js/tech.js b/js/tech.js
index 760be54..0cd7eeb 100644
--- a/js/tech.js
+++ b/js/tech.js
@@ -171,7 +171,7 @@
             if (tech.isFlipFlopDamage && tech.isFlipFlopOn) dmg *= 1.45
             if (tech.isAnthropicDamage && tech.isDeathAvoidedThisLevel) dmg *= 2.3703599
             if (tech.isDamageAfterKill) dmg *= (m.lastKillCycle + 300 > m.cycle) ? 2 : 0.66
-            if (m.isSneakAttack && m.cycle > m.lastKillCycle + 240) dmg *= 4
+            if (m.isSneakAttack && m.cycle > m.lastKillCycle + 240) dmg *= tech.sneakAttackDmg
             if (tech.isTechDamage) dmg *= 1.9
             if (tech.isDupDamage) dmg *= 1 + Math.min(1, tech.duplicationChance())
             if (tech.isLowEnergyDamage) dmg *= 1 + Math.max(0, 1 - m.energy) * 0.5
@@ -341,8 +341,8 @@
                 description: "spawn <strong>8</strong> <strong class='color-g'>guns</strong>, but you can't <strong>switch</strong> <strong class='color-g'>guns</strong><br><strong class='color-g'>guns</strong> cycle automatically with each new level",
                 maxCount: 1,
                 count: 0,
-                frequency: 3,
-                frequencyDefault: 3,
+                frequency: 2,
+                frequencyDefault: 2,
                 allowed() {
                     return (tech.isDamageForGuns || tech.isFireRateForGuns) && b.inventory.length + 5 < b.guns.length
                 },
@@ -365,7 +365,7 @@
                 description: "spawn a <strong class='color-g'>gun</strong> and </strong>double</strong> the <strong class='flicker'>frequency</strong><br>of finding  <strong class='color-m'>tech</strong> for your <strong class='color-g'>guns</strong>",
                 maxCount: 1,
                 count: 0,
-                frequency: 2,
+                frequency: 1,
                 isNonRefundable: true,
                 // isExperimentHide: true,
                 isBadRandomOption: true,
@@ -383,17 +383,17 @@
                 remove() {}
             },
             {
-                name: "specialist",
+                name: "ad hoc",
                 description: "for every <strong class='color-g'>gun</strong> in your inventory spawn a<br><strong class='color-h'>heal</strong>, <strong class='color-r'>research</strong>, <strong class='color-f'>field</strong>, <strong class='color-g'>ammo</strong>, or <strong class='color-m'>tech</strong>",
                 maxCount: 1, //random power up
                 count: 0,
-                frequency: 2,
+                frequency: 1,
                 isNonRefundable: true,
                 // isExperimentHide: true,
                 allowed() {
-                    return b.inventory.length > 3
+                    return b.inventory.length > 1
                 },
-                requires: "at least 4 guns",
+                requires: "at least 2 guns",
                 effect() {
                     for (let i = 0; i < b.inventory.length; i++) {
                         if (Math.random() < 0.2) {
@@ -2582,7 +2582,7 @@
                 effect() {
                     tech.isFallingDamage = true;
                     m.setMaxHealth();
-                    m.addHealth(1)
+                    m.addHealth(1 / simulation.healScale)
                 },
                 remove() {
                     tech.isFallingDamage = false;
@@ -2800,9 +2800,9 @@
                 frequency: 1,
                 frequencyDefault: 1,
                 allowed() {
-                    return !tech.isSwitchReality && !tech.isCollisionRealitySwitch
+                    return !tech.isSwitchReality && !tech.isCollisionRealitySwitch && !tech.isJunkResearch
                 },
-                requires: "many-worlds, non-unitary",
+                requires: "many-worlds, non-unitary, not pseudoscience",
                 effect() {
                     tech.isResearchReality = true;
                     for (let i = 0; i < 16; i++) powerUps.spawn(m.pos.x + Math.random() * 60, m.pos.y + Math.random() * 60, "research", false);
@@ -2918,9 +2918,9 @@
                 frequency: 1,
                 frequencyDefault: 1,
                 allowed() {
-                    return tech.isResearchBoss || tech.isMetaAnalysis || tech.isRerollBots || tech.isDeathAvoid || tech.isRerollDamage || build.isExperimentSelection
+                    return !tech.isResearchReality //tech.isResearchBoss || tech.isMetaAnalysis || tech.isRerollBots || tech.isDeathAvoid || tech.isRerollDamage || build.isExperimentSelection
                 },
-                requires: "abiogenesis, meta-analysis, bot fabrication, anthropic principle, or Bayesian statistics",
+                requires: "not Ψ(t) collapse", //"abiogenesis, meta-analysis, bot fabrication, anthropic principle, or Bayesian statistics, not Ψ(t) collapse",
                 effect() {
                     tech.isJunkResearch = true;
                 },
@@ -3029,7 +3029,7 @@
                 effect() {
                     tech.duplicateChance += 0.1
                     powerUps.setDo(); //needed after adjusting duplication chance
-                    tech.addJunkTechToPool(18)
+                    tech.addJunkTechToPool(30)
                 },
                 remove() {
                     tech.duplicateChance = 0
@@ -4269,7 +4269,7 @@
             },
             {
                 name: "MIRV",
-                description: "launch <strong>+1</strong> <strong>missile</strong> at a time<br>decrease <strong>size</strong> and <strong>fire rate</strong> by <strong>10%</strong>",
+                description: "missile <strong class='color-g'>gun</strong> and <strong>bot</strong> launch <strong>+1</strong> <strong>missile</strong><br>decrease <strong>size</strong> and <strong>fire rate</strong> by <strong>10%</strong>",
                 isGunTech: true,
                 maxCount: 9,
                 count: 0,
@@ -5879,6 +5879,25 @@
                     tech.isCloakStun = false;
                 }
             },
+            {
+                name: "ambush",
+                description: "metamaterial cloaking field <strong class='color-d'>damage</strong> effect<br>is increased from <span style = 'text-decoration: line-through;'>300%</span> to <strong>500%</strong>",
+                isFieldTech: true,
+                maxCount: 1,
+                count: 0,
+                frequency: 2,
+                frequencyDefault: 2,
+                allowed() {
+                    return m.fieldUpgrades[m.fieldMode].name === "metamaterial cloaking"
+                },
+                requires: "metamaterial cloaking",
+                effect() {
+                    tech.sneakAttackDmg = 6
+                },
+                remove() {
+                    tech.sneakAttackDmg = 4
+                }
+            },
             {
                 name: "dynamical systems",
                 description: "use <strong>1</strong> <strong class='color-r'>research</strong><br>increase your <strong class='color-d'>damage</strong> by <strong>35%</strong>",
@@ -7443,7 +7462,7 @@
             },
             {
                 name: "quantum black hole",
-                description: "use your <strong class='color-f'>energy</strong> and <strong>1</strong> <strong class='color-r'>research</strong> to <strong>spawn</strong><br>inside the event horizon of a huge <strong>black hole</strong>",
+                description: "use your <strong class='color-f'>energy</strong> and <strong>4</strong> <strong class='color-r'>research</strong> to <strong>spawn</strong><br>inside the event horizon of a huge <strong>black hole</strong>",
                 maxCount: 9,
                 count: 0,
                 frequency: 0,
@@ -7451,13 +7470,13 @@
                 isExperimentHide: true,
                 isJunk: true,
                 allowed() {
-                    return powerUps.research.count > 0
+                    return powerUps.research.count > 3
                 },
-                requires: "at least 1 research",
+                requires: "at least 4 research",
                 effect() {
                     m.energy = 0
                     spawn.suckerBoss(m.pos.x, m.pos.y - 700)
-                    powerUps.research.changeRerolls(-1)
+                    powerUps.research.changeRerolls(-4)
                     simulation.makeTextLog(`<span class='color-var'>m</span>.<span class='color-r'>research</span> <span class='color-symbol'>--</span><br>${powerUps.research.count}`)
                 },
                 remove() {}
diff --git a/todo.txt b/todo.txt
index 4fb4d1e..6e54a90 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,10 +1,15 @@
 ******************************************************** NEXT PATCH ********************************************************
 
-cloaking field no longer gets smaller when you are low on energy
-invisible map element bug fixed
+tech: ambush - cloaking damage effect is increase from 300% to 500%
+
+several bug fixes
+
 
 ******************************************************** TODO ********************************************************
 
+laser damage seems low based on 2 runs
+  history is low damage
+
 drones can combine with other drones to get bigger?
 drones that grab powers ups can grab more then one and get even bigger each time