Education

Step into your own machine shop. Operate manual mills and lathes, write CNC G-code, and turn raw stock into finished parts with real-time material removal. Experiment in Free Play or put your machining skills to work in Career mode.

vim racer is a speed based training game that teaches real Vim motions by racing a block cursor through real source code, from h j k l all the way to search and bracket matching. There's no accuracy score, only speed, so the fastest path is always the correct one.

A heartwarming point-and-click space adventure for children and parents. Explore a station on Saturn's moon, repair machinery, solve puzzles, and help Robot Fedya save his friends and restore contact with Earth.

Build machines, trigger chain reactions, and throw planets at each other. SPS combines flowing particles with rigidbody physics at scales from centimeters to thousands of kilometers. Run that experiment you've always wanted without burning down your house.

Beyond the classic 9×9: 22 Sudoku modes and tens of thousands of puzzles, including Killer, Thermometer, Arrow, Jigsaw, Circular, Triangle, Snowflake and Cube boards. Multiple difficulties, notes, undo and hints. One purchase—no ads, energy or microtransactions.

Build 3D landscapes based on real locations. The Nebula Draco got lost in space and bumped into Earth. Help the Draco find its way back to space by exploring the Earth as 3D jigsaw puzzles and earn tiles to build your own landscapes and share them as jigsaw puzzles to be solved by the community.

Blackout is an indie puzzle game inspired by old-school handheld games from the 80s and 90s. 5x5 grid only able to be solved by a 3x3 cross/plus.

Guess the 12 hidden words on every board using definitions, rhymes, emojis and facts. Play solo, survive endless escalating waves, or battle friends on the couch, where phones become the controllers. Fully playable in English and Arabic.

Play Go on 9×9, 13×13, or 19×19 boards with Chinese or Japanese rules. Learn the fundamentals, challenge local AI, play locally with a friend, study and analyze SGF records, or connect to OGS for online games and spectating.

Draw a fish, turtle, jellyfish or crab on paper, snap a photo, and bring it to life in a living 3D aquarium. Import your hand-drawn creatures, decorate coral reefs, and watch your tank teem with marine life.

A synthetic-market day trading simulator: place trades, manage margin, and chase profit targets with zero real-money risk. Every ticker, company, and price move is fictional and generated, not real data, so you learn real mechanics without a real loss.