A Maze That Is Never The Same Twice
Astray builds a fresh 3D maze for every level and gets larger as you progress. You do not walk it - you apply force to a ball and let momentum carry it, which means overshooting a corner is as much of a threat as picking the wrong passage. Because the layout is generated, there is no route worth memorising and no advantage in having played before. The exit sits in the top-right of each maze, so you always know roughly where you are heading, just never how to get there. It also supports Vim keys alongside the arrows and WASD, which is an unusual thing to find in a browser game.