Has a huge out-of-bounds issue caused by blackhole-related mechanics (and possible grenade explosions). Linear scaling damage doesn't fit how weapons work in this game; while heavy shot weapons gain around double damage with max upgrades, weapons like laser gun and flamethrower gets 23.3× damage increase. The gameplay in general is fine.
The core mechanic can get frustrating, but probably just needed time to be polished. There's a slight issue when the enemies won't be able to hit you once the blackhole is out.
The very fast firing rate of the enemies kinda encourages trench warfare sort of gameplay, and the duration of the black hole is pretty long it can break the flow of gameplay. The movement is great other than the finnicky climbing mechanics and the jump height that bonks you on the ceiling. The semi-auto firing can cause fatigue on the finger with the amount of shots you would need without special clicking techniques. (I'm sure someone can exhaust the mag in less than a second.)
