I would like to see the goal only be activated by certain sides of the cube. It would give a large amount of puzzle value to a map by adding just a few spots to move around.
If you reset a transition level as the character lands on a downward slope, the stop that occurs carries over continually into the refreshed maps. You'll just run in place.
If you hold down fire, and just spam "A,S,D,A,S,D,A,S,D" then you switch between weapons while firing simotaneously. Each weapon fires at its maximum fire rate if you spam fast enough. This makes the game entirely too easy.
Each weapon is still technically limited by its fire rate, if you fire a rocket then switch to the other two and back, the rocket may not have reloaded yet. Switching quickly and effectively is an important part of the game, but none of the playtesters were been able to use the "spamming" strategy effectively beyond level 12 or so, if you can, good for you for finding a strategy that works!
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Great idea! A bit technically challenging for me at the moment but maybe I'll add that in later levels.