The anti-gravity mechanic in James and the Pyramid is a really clever fit for a pyramid setting, and as failed67 pointed out it's implemented well — flipping gravity to navigate the levels feels genuinely fun once you get into it. The alien design and the blue blob dialogue add a lot of charm too, and Chocochis is right that the ending lands nicely for such a short game. Leonzable's feedback about adding audio and a jump animation is spot on — even simple sound effects and a bit more snap to the character's movement would make the whole experience feel much more polished. The gravity button skip glitch that redkoala64 found is definitely worth patching too, since being able to clip straight to the endpoint bypasses all the level design you put work into. Feel free to check out my sky platformer too if you get a moment!