The controls don't feel very responsive, but the editor and the ability to publish levels are just incredible, even though there aren't that many elements and the graphics are simple, I've seen a similar mechanic in another jam game but here it's implemented much better!
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The jump feels a bit too low, and the gravity feels a little heavy almost as if the character is carrying a backpack full of bricks. This might be intentional, but it feels a bit uncomfortable to play. Also, it seems like the dash distance isn't fixed. On the positive side, I noticed that the jump buffer and coyote time are there, which is great! However, the wall-climbing animation could use a bit of polish.