Wow. The game fits the theme really well, the music sets a really amazing atmosphere and it's fun and creative all around. Gotta come back to finish all there is :)

I failed most of the time, i think im noob to platformers, but still was a great experience, Audio was good to the ambient aware of things and story.

Great mechanics to what was propose

Loved it, it's like Super Meat Boy meets Portal.

Only possible technical critique I could give, is to consider adding "Coyote Time" to the jumps. Other than that it is a  solid dang game.

I liked the monochrome colors and the puzzles are fun to figure out. Cool entry! :)

Very nice use of the playcard,very good thought out game design! simply aamzing!

I'm not usually a fan of platformer games but the puzzle mechanic made this one really interesting. It was challenging enough so that some levels had me scratching my head a little bit, but it had just the right amount of difficulty for me to figure out the solutions without taking too long. 

Really enjoyed the health decaying mechanic and thought the hints in the background were really neat! :)

Awesome work! I loved how much you got out of simple mechanics! A few VERY MINOR points/suggestions:

• Speeding up regen after a second-ish would have been. Especially later on when at the end there was a lot of waiting to refill and speeding that up might have kept the pace a tad better
• Similarly, I wonder about not doing a straight fade to black. Maybe the gray foreground faces a little slower.
• Some coyote time (where jump is still counted a few frames after leaving a platform) would have been so nice! I’m guessing you used capsule collision (or sphere, rounded bottom either way) so getting right up to the end of a ledge was tough. Level 14 was soooo tough, easily 20+ tries to get the star. Last level was tough to but 14 was the real doozy.

Again, minor points, I had a great time with this!