I tried about 9 runs and reached level 11, and although there are some good ideas and was fun, I had somes problems that annoyed me. Having to face where you're shooting, combined with the fact that some enemies move randomly when you shoot, makes some really annoying moments. The randomness is sometimes too random, in two runs I got the same fight 3 times in a row, the bonus on the left which seems to be the funniest, only appeared 4 times in total and sometimes after the first fight when you have not any money, i don't count when they appear at the start. It's hard to know when the boss "Spearhead" will charge, and often his movements are weird/unpredictable. the "Blackest Hole": the first time I encountered it, there were two of them and they were out of sight of the camera. I tried to outrun his attraction, but you can't, I tried to kill it before it killed me, but you can't, because you have to aim at it to be attracted more quickly and not have time to kill it, I'm very curious about how i'm supposed to kill it.. Bugs: 1 time I had a boss that didn't do anything, 2 times I had a boss that shot in the wrong direction during short times. The DvD logo hitted a corner perfectly, that couldn't have happened. (I'm kidding, it didn't).
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The black hole is defeatable, you just have to spam dash away from it, I will admit 2 black holes are a bit too much, after the jam I'll make sure there's only 1 blackhole. Missile launcher and flamethrower are indeed buggy, I tried to solve it but couldn't under the game jam timeframe so sorry for that. As for the spearhead, I thought about adding a charge up animation, but that would have made it too easy imo. And many bosses have programmed to avoid bullets to the best of their ability. You have to either trap them, have multiple bullets upgrade, or have speedy bullets.