Education

Memorize the notes on the treble and bass staffs as well as 9 ledger lines above and below them. This covers every key of a standard 88 key piano and most instruments.

Run an island kingdom with real Python. Write a script and your workers build, farm, trade and chase off bandits on their own, while six neighbouring islands buy and sell at live prices your trading bots can play. No coding experience needed.

S.O.I. is a 2D orbital puzzle game about charting a course through the solar system. Pause time, preview your trajectory, and plan each burn. Use planetary gravity and limited action points to complete missions and unlock stories from the history of space exploration.

Learn French at every level in a cozy, illustrated adventure. Explore 8,000 verbs, 2,000 grammar exercises and everyday conversations. Discover French classics, history and exam practice. Build your listening, speaking, reading and writing skills. Fully offline.

Open packs and collect a world of wildlife, dinosaurs, distant stars and curiosities. Admire your cards, trade with friends and build a team for five-card duels. A free game with one collection shared between the web and Steam.

A long-range shooting sim built on real exterior ballistics. You read the wind and wait for the lull between two gusts. After the shot, you see the trajectory in 3D and where the wind carried the bullet. Targets are steel plates and ring targets. No combat, no blood.

You decide what to reward and what to punish. The AI learns how to walk. Train legged robots with reinforcement learning right on your PC's CPU, then pilot the AI you raised in obstacle races and sumo bouts. Keep playing while it trains.

Enter a first-person horror experience inspired by folklore or legend. Explore haunting environments, investigate strange clues, record discoveries in your journal, and survive supernatural encounters. Learn the stories, follow the evidence, and decide what is hunting you before it's too late.

Live the whole life of a wild Atlantic salmon. Hatch from the gravel of a mountain brook, grow among the stones, follow the river down to the sea, survive the open ocean - and find your way home to close the circle. A nature documentary you swim through.

Hatch from a cocoon under someone's garden and grow up as a real earthworm. Burrow through crackling ASMR soil, feed the roots of the flowers above, meet the worms next door, and fill a journal of true worm facts. No timers, no game over. Or just let it crawl on your second screen.

Build a computer from a single NAND gate: wire relays into logic, memory and a 16-bit CPU with a pipeline, branch prediction and a cache, then program it. Robots in mazes, Nim, even a shooter on your own CPU. 201 levels across six eras, plus a level editor and Steam Workshop.

Physics In Clouds is a high-school physics learning game powered by a real rigid-body physics engine — read the problem, enter your answer, run the simulation, and let the laws of physics grade you.