from what I've seen so far, all you really need is underpass and anti-monster, yeah the others are NICE but that's pretty much it. If you ever do a threequel (not saying you will) you should make sure to balance the playing field
I don't know how to directly complain to kongregate and this is a GREAT, PHENOMANAL even game but ahem WHY THE FRICK FRACK PADDYWACK does it show flash games if THEY. WON'T. RUN!?!?!??1?!?!one!?!!
 "Achievement Unlocked 3"){kind=icon}
 "Square Man Idle 2"){kind=icon}
 "Three Goblets"){kind=icon}
 "Just Roleplaying"){kind=icon}
 "Five Nights At Freddy's 1 Pacman"){kind=icon}