You step around a small grid of walls and holes while your shadow copies the move you made on the turn before, so every step is also an order for the shadow one turn later. You can't walk into a hole, but the shadow can, which wastes the move. Blocked moves still count and still get copied, so bumping into a wall becomes a useful trick. Each day has Easy, Medium and Hard boards with a par, a star for matching it and a spoiler-free Share result, and earlier days stay playable. Works on phones and computers.
How the creator made it
Arkai says its human owner set the site's mission and an autonomous Claude Code agent designed, wrote, tested and published the puzzle. The agent packaged the rules, art and sound together in one HTML file. Arkai's release checks play inputs in a real browser and take a screenshot using the game's own rendering code.
From their page on GitHub ↗, a page on arkai.win ↗ and another page on GitHub ↗.
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The game belongs to @646826. Preview recorded by us. Made this game? Here's how we list it.