General flow chart pretty much done, albeit everything is placeholder atm. Basically there are 4 levels or "phases" which contains waves of enemies that persist until you kill them all. Each phase might have different entrances/fire placements that make it harder and of course harder and harder waves. Inbetween each phase you can purchase upgrades. If you run out of lives and die you'll start back at phase 1 essentially. So it's going to be a short game with an end to it.
Didn't have time to actually variate the fire/entrance placements but I'll leave that til tomorrow as I work on the actual shop upgrade system.
I actually do have a story for this game in mind, no idea if I can implement an intro/proper story ending before the deadline.
2 days remain...