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Xs of Y screenshot

Screenshot from nooga/xsofy. View source

Roguelikes

Xs of Y

Decipher changing runes and build spells in a dungeon whose title and quest change every run.

Playable work in progress
Play now

Opens the creator’s demo. Requirements are listed above.

On GitHub since
Apr 1, 2026
Platforms
Browser
Play style
Single-player
Code license
MIT
GitHub stars
209
Code updated
Oct 7, 2026
Explore the game’s source code
Sources & fact check

Checked 2026-10-20. Platform support can vary by release.

Official source 1
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