FreeIAPIn-app purchasesEuclidea
A straightedge-and-compass puzzle game that turns classical geometry into elegant moves.
Explore the full editorial catalog by age, platform, interest, and the kind of value a game may offer.
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Explore the full editorial catalog by age, platform, interest, and the kind of value a game may offer.
Browse by category ↓233 games
FreeIAPIn-app purchasesA straightedge-and-compass puzzle game that turns classical geometry into elegant moves.
FreeIAPIn-app purchasesA location-guessing game: read landscapes and signs to work out where you are.
FreeIAPIn-app purchasesA physics puzzle where slicing ice and lava into equal parts quietly introduces fractions.
$19.99A hardware-toy sandbox for assembling gadgets and wiring simple logic into devices.
$19.99Build a working computer from NAND gates up, then write its assembly.
FreeA citizen-science puzzle where designing RNA structures feeds real laboratory research.
FreeA science puzzle game where players fold proteins into stable, high-scoring structures.
$19.99A hacker puzzle game about writing and refining tiny programs to break into systems.
$14.99A hardware-programming puzzle about wiring parts and debugging code under limits.
from $6.99In-app purchasesBuild rockets part by part and learn orbital mechanics by failing instructively.
$6.99An assembly puzzle game about repairing a strange 1980s computer.
FreeIAPIn-app purchasesFree, open-source chess with puzzles, lessons and online play: no ads, no subscription.
$9.99Program two grabbers to split and bond atoms into the molecules ordered.

A marble-powered computer you build to solve sixty logic puzzles.
from $4.99A programming puzzle where code you write automates whole crowds of office workers.
FreeIAPIn-app purchasesDragonBox's puzzle: isolate the box by canceling cards until rules become equations.

A Nintendo game-making sandbox where players learn logic by building small games.
from $19.99A machine-building puzzle about turning a few rules and parts into elegant solutions.
FreeFree on Play on webProgram little robots with code blocks to thaw and green a frozen planet.

A creation suite and anthology for making, sharing and exploring user-made games.
$24.99A 3D factory puzzle game about turning tight spaces into automated solutions.
FreeFree role-play adventures where players live U.S. history as young people of the time.
$49.99A grand strategy game about industrialization, social classes and reform in the 1800s.
$24.99A colony sim about balancing oxygen, heat, food and automation underground.