DDEF Studios

Small, honest, offline-first mobile games.

We make daily-ritual puzzle games for Android: everything generated by code or built from openly-licensed data, playable with no account and no network, and never supported by ads. One developer, shipped carefully.

Games

Foldout

Twenty-one daily puzzles — a fresh instance of every one, each day, the same for every player: word games, logic grids, chess tactics, strategy classics and more.

In closed testing — coming to Google Play.

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Daily Tactics

One solver-verified chess tactic a day, generated on your device — with a streak and a spoiler-free share card.

In development — launches first as a bonus mode inside Foldout.

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Contact

Support and privacy questions: [email protected]