No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Ynglet

A Floating Non-platformer In this experimental platforms, we did away with the most basic building block of the genre: The platforms. Move to Groove With a dynamic, reactive, beautifully complicated soundtrack, you'll make a new melody with every move you make. Mesmerizing Movement Learn new ways to wrap your mind around interlocking space, riding down slipstreams, dashing into reflective pads, and resting in safe, secure bubbles. Doodles Come to Life The hand-drawn art style evokes every absent-minded drawing you ever made in the margins of your school notebooks. Fluid Difficulty Quick respawns and granular difficulty means challenge comes in all shapes and sizes-- even the shape and size of an amoeboid squid-thing.