I feel like ... i'm not GETTING anywhere. like there's no real permanent goal... and I like pointless hack N Slash games! None of the Upgrades make you more powerfull really just make you last longer and get more points which don't matter in any way...
Science- once you "enter space" you should no longer need a propulsion system to continue moving, everything else in this game is completely correct however !
Constructive Criticism- i don't know if you can increase the amount of things on the screen but i feel like i have little to no reaction time to activate my jet pack opportunely just because i only see them for about a quarter second before they're off the screen. I don't' know if this can even be changed.
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I agree this game is better with no music, but mabey sound effects or at least an option to have them? OH! and I would like to point out the hillarious-ness of the fact that this game has no music, yet it is one of the highest rated games in the "music and more" catagory. :D