Fun game! Well done on the overheat mechanic. If it's procedurally generated, my only suggestion would be to tweak the algorithm a bit so you won't spawn in a circle of enemies (although it was pretty funny). got my health dropped to 6 within seconds of starting the level.
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Yeah for sure! I think next time I'll tweak the algorithm for the enemy spawning like you suggested. My compromise with the time I had was to increase the life points you have to survive the first level, but I'll keep working on the procedurally generated dungeon to account for spots you shouldn't spawn at.