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Doozle and Doozle Discovery — 38 hand-crafted, kid-safe games. No ads. No account needed. Try free, then a single one-time unlock.
Koydo Games is two kid-safe educational game apps by Koydo: Doozle (27 logic and puzzle games like Sudoku, 2048, Tangram and Tower of Hanoi) and Doozle Discovery (11 curriculum games spanning science, geography, words, money, stories, music and fractions). Both are ad-free, need no account, and use White-Hat design — no pressure timers, lost lives, or leaderboards. Each app is free to try, then a single one-time unlock opens every game forever, with no subscription.
Made for families
No ads, no sign-in, no chat, no data harvesting. Every game is White-Hat: no timers-as-pressure, no lives lost, no leaderboards. Just wholesome play that builds real skills.
Doozle
Sudoku, KenKen, 2048, Tangram, Rush Hour, Tower of Hanoi and more — classic thinking games that sharpen reasoning, memory, and spatial skills. Five free plays per game, then unlock all 27 forever for one price.
Doozle Discovery
Science, geography, words, money, stories, music, fractions and more — real curriculum turned into play, every fact hand-authored and reviewed. Try free, then unlock all 11 forever with a single one-time purchase.
Each app is free to try, then a single one-time purchase unlocks every game in it forever — no ads, no subscriptions, no in-game currency. Fair, simple, family-friendly pricing.
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