diff --git a/.DS_Store b/.DS_Store
index 21a921b..108480a 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/js/level.js b/js/level.js
index dab50e3..dc2b9f8 100644
--- a/js/level.js
+++ b/js/level.js
@@ -108,6 +108,9 @@ const level = {
             m.eyeFillColor = m.fieldMeterColor
             simulation.makeTextLog(`tech.isFlipFlopOn <span class='color-symbol'>=</span> true`);
         }
+        if (tech.removeMaxHealthOnKill > 0.01) {
+            for (let i = 0; i < 2; i++) powerUps.spawn(level.exit.x + 10 * (Math.random() - 0.5), level.exit.y - 100 + 10 * (Math.random() - 0.5), "tech", false)
+        }
     },
     custom() {},
     customTopLayer() {},
diff --git a/js/mob.js b/js/mob.js
index 613c8a5..397eda6 100644
--- a/js/mob.js
+++ b/js/mob.js
@@ -1140,6 +1140,17 @@ const mobs = {
                         bullet[bullet.length - 1].endCycle = simulation.cycle + 840 //14 seconds
                         this.leaveBody = false; // no body since it turned into the bot
                     }
+                    if (tech.removeMaxHealthOnKill) {
+                        if (tech.isEnergyHealth) {
+                            if (m.maxEnergy > tech.removeMaxHealthOnKill) {
+                                tech.healMaxEnergyBonus -= tech.removeMaxHealthOnKill
+                                m.setMaxEnergy();
+                            }
+                        } else if (m.maxHealth > tech.removeMaxHealthOnKill) {
+                            tech.extraMaxHealth -= tech.removeMaxHealthOnKill //decrease max health
+                            m.setMaxHealth();
+                        }
+                    }
                 } else if (tech.isShieldAmmo && this.shield && !this.isExtraShield) {
                     let type = tech.isEnergyNoAmmo ? "heal" : "ammo"
                     if (Math.random() < 0.4) {
diff --git a/js/tech.js b/js/tech.js
index 3c2e469..11bef4c 100644
--- a/js/tech.js
+++ b/js/tech.js
@@ -6091,6 +6091,26 @@
                     tech.isCloakStun = false;
                 }
             },
+            {
+                name: "pacifist",
+                description: "if you <strong>kill</strong> a <strong>mob</strong> lose <strong>2%</strong> max <strong class='color-h'>health</strong><br>spawn <strong>2</strong> <strong class='color-m'>tech</strong> at the <strong>end</strong> of every level",
+                isFieldTech: true,
+                maxCount: 1,
+                count: 0,
+                frequency: 2,
+                frequencyDefault: 2,
+                allowed() {
+                    return m.fieldUpgrades[m.fieldMode].name === "metamaterial cloaking" && !tech.removeMaxHealthOnKill
+                },
+                requires: "metamaterial cloaking, not -pacifist-",
+                effect() {
+                    tech.removeMaxHealthOnKill = 0.02
+                    for (let i = 0; i < 2; i++) powerUps.spawn(level.exit.x + 10 * (Math.random() - 0.5), level.exit.y - 100 + 10 * (Math.random() - 0.5), "tech", false)
+                },
+                remove() {
+                    tech.removeMaxHealthOnKill = 0
+                }
+            },
             {
                 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>600%</strong>",
@@ -6472,6 +6492,25 @@
                     tech.wimpExperiment = 0
                 }
             },
+            {
+                name: "-pacifist-",
+                description: "<strong style='color: #f55;'>experiment:</strong> if you <strong>kill</strong> a <strong>mob</strong><br>lose <strong>1%</strong> max <strong class='color-h'>health</strong>",
+                maxCount: 1,
+                count: 0,
+                frequency: 0,
+                isBadRandomOption: true,
+                isExperimentalMode: true,
+                allowed() {
+                    return build.isExperimentSelection
+                },
+                requires: "",
+                effect() {
+                    tech.removeMaxHealthOnKill = 0.01
+                },
+                remove() {
+                    tech.removeMaxHealthOnKill = 0
+                }
+            },
             //************************************************** 
             //************************************************** JUNK
             //************************************************** tech
@@ -6494,6 +6533,25 @@
             //     },
             //     remove() {}
             // },
+            {
+                name: "bounce",
+                description: "you bounce off things.  It's annoying, but not that bad.",
+                maxCount: 1,
+                count: 0,
+                frequency: 0,
+                isExperimentHide: true,
+                isJunk: true,
+                allowed() {
+                    return true
+                },
+                requires: "",
+                effect() {
+                    player.restitution = 0.9
+                },
+                remove() {
+                    if (this.count) player.restitution = 0
+                }
+            },
             {
                 name: "true colors",
                 description: `set all power ups to their real world colors`,
@@ -8164,5 +8222,6 @@
         extraHarpoons: null,
         ammoCap: null,
         isHarpoonPowerUp: null,
-        harpoonDensity: null
+        harpoonDensity: null,
+        removeMaxHealthOnKill: null
     }
\ No newline at end of file
diff --git a/todo.txt b/todo.txt
index 78fa146..faff7d6 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,9 +1,12 @@
 ******************************************************** NEXT PATCH **************************************************
 
-
+tech: pacifist - if you kill a mob lose 2% max health, but gain 2 tech at the end of every level
+junk tech: bounce - you bounce, it's kinda annoying
 
 ******************************************************** TODO ********************************************************
 
+experiment: like lose 1% max health every time you kill a mob?
+
 JUNK tech: planetesimals game inside n-gon
 https://codepen.io/lilgreenland/pen/jrMvaB?editors=0010