very good game! somehow the Virtual boy visuals wasn't completely and utterly painful to look at, and the movement in the game was satisfying. I'm no expert in level design critiquing, but I found most of the levels fun and fair.
The only 2 gripes i had with the game the gravity switching ability had weird jank with the momentum when switching that made it less fun to use. The second thing would be the last level was a smidge too unforgiving for my liking. While I get that it's supposed to be the final gauntlet, having only 1 checkpoint through the entire length of the level was a bit much.
4/5 stars. might go back in for the secrets next time it crosses my mind.