shields are

shields are more rare, but much stronger, negative mass field is combined with Gauss rifle mod, negative mass field moves player faster, new mod piezoelectric plating,You may now choose to cancel the power up selection screen.  (no recursive mods in custon yet, it's an annoying UI rewrite)

js/mobs.js

@@ -961,7 +961,7 @@ const mobs = {
         if (this.dropPowerUp) {
           powerUps.spawnRandomPowerUp(this.position.x, this.position.y, this.mass, radius);
           if (Math.random() < b.modSpores) {
-            for (let i = 0, len = Math.floor(3 + this.mass * Math.random()); i < len; i++) {
+            for (let i = 0, len = Math.floor(4 + this.mass * Math.random()); i < len; i++) {
               b.spore(this) //spawn drone
             }
           }