WIMPs

ice-IX does 15% more damage

tech: WIMPs - an indestructible harmful particle slowly chases you
  spawn 2-3 research at the end of each level
experimental mode : WIMPS chase you

beating the final boss looks a bit less like death and a bit more like winning
  also there are some text directions on how to enter endless mode (press T after you win)

tech removed: 1-body problem

js/engine.js

@@ -194,7 +194,7 @@ function collisionChecks(event) {
                                     let type = tech.isEnergyNoAmmo ? "heal" : "ammo"
                                     if (Math.random() < 0.4) {
                                         type = "heal"
-                                    } else if (Math.random() < 0.3 && !tech.isSuperDeterminism) {
+                                    } else if (Math.random() < 0.23 && !tech.isSuperDeterminism) {
                                         type = "research"
                                     }
                                     powerUps.spawn(mob[k].position.x, mob[k].position.y, type);