A playful typing adventure for kids: 96 chapters, collectible room decorations, and optional on-device face tracking.
Open-source ESP32 educational game console firmware — 40 games, two-player play over BLE, CYD touchscreen, browser flasher, no telemetry https://hackaday.io/project/206948-braino-a-40-game-learning-console-on-a-cyd
Free & Open source version of Geoguessr
Best Open-Source Linear Equation Solver Trainer 2026
Master Linear Equations Instantly: The 2026 Interactive Algebra Trainer
A modern, fast, and tactile mental math training game