About Mossback's Long Way Home

Guide a tiny brave turtle across meadows, streams and mountains, pushing stones and opening doors to find your lost companion.

On a computer: WASD move, Shift run, Space jump, E interact, mouse drag to turn camera
On a phone: Left stick move, drag right side to turn camera, Jump and Act buttons

Francoymari described this game in a sentence on OhMyGames and the AI built it. You can make your own the same way, free to start.