It was pretty fun! I do have some criticisms though.
I think the attack range is too far for Mr. Silverback. It makes it easier to hurt enemies without them having the chance to hurt you.
Second, the performance hovered around 9-12 FPS but went up to 55-60 after killing most of the enemies.
I think the leading cause is the Pathfinding behavior. Or at least the combo of Physics3D and the Pathfinding behaviors chugging if more than 5 or so are active. Sadly I don't know a fix or alternative at the moment.
It's comforting that someone else faced the same issues I did in my own submission (haha)