Underplayed Gems

Stellar: Chroma Codex (2025)

Stellar: Chroma Codex cover
Developer
NI YU ZHUO
Platforms
Windows
Genres
Casual, Indie, RPG
Where to get it
Steam

How it feels

A calm yet mentally demanding puzzle game where you solve math-based challenges to unlock paths through a mysterious magical world.

puzzlemath-basedchallengingcasualatmosphericmysteriousmethodicalsingle-player

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This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? Tell the Catbot what you feel like playing and it picks from the whole catalog, or browse by platform and genre.