Editorial collection18 gamesFrom age 6Compiled Sep 2026

STEM through play

A game teaches science or maths well when the idea is the thing you manipulate: the block you slice, the bridge that buckles, the orbit that misses. Every pick here passes that test, from a fraction puzzle for six-year-olds to protein folding that has contributed to published research.

Who it is for: Players and teachers looking for games that give real practice in science, technology, engineering or maths without turning into homework.
What is inside: Eighteen games ordered from age six to teens: fractions, structural physics, optics and electric circuits you hold in your hands, chain-reaction machines, logic and classification, algorithms, astronomy, rocketry and orbital mechanics, compass-and-straightedge geometry, vehicle engineering, space-programme planning, colony engineering, and two citizen-science puzzles.
How we chose: The STEM idea must be the core move of the game, not a quiz layered on top of unrelated play.
Ordered by starting age, so a player can find the first game they can actually play and step up from there.
Evidence levels are shown honestly: most picks rest on editorial review, a few on published research, documented agency involvement or a small classroom study.
Every game page names what the simulation leaves out, because a good model is also a simplification.

Teachers
Curious teenagers
STEM
Logic & strategy

The games, in the order we would try them

1. Slice Fractions
FreeIAPIn-app purchases
Ages 6-9MobileMeaningfulness 70/100 · Highresearch Research-backed
Cutting ice into equal parts is the puzzle move, so part-whole reasoning is practised before any symbols appear.
2. World of Goo
$14.99
Ages 8+ · ESRB EPC, Console, MobileMeaningfulness 40/100 · Loweditorial Editorial only
Every tower is a structure under load: a leaning one shows why triangles hold and squares do not.
3. Poly Bridge 3
$19.99
Ages 8+PC, ConsoleMeaningfulness 53/100 · Loweditorial Editorial only
Bridges are designed, stress-tested and rebuilt within a budget, which turns trial and error into an engineering habit.
4. Zoombinis
FreeIAPIn-app purchases
Ages 8+PC, MobileMeaningfulness 64/100 · Moderateresearch Research-backed
Classification, set logic and inference puzzles that have been used in classrooms for decades.
5. Laser Maze
Ages 8+Board gameMeaningfulness 55/100 · Moderateeditorial Editorial only
A real laser bounces off mirrors you place, so reflection is something a child aims rather than reads about.
6. Circuit Maze
Ages 8+Board gameMeaningfulness 59/100 · Moderateeditorial Editorial only
The beacons only light when the loop is complete, which makes the first rule of electricity impossible to fake.
7. Contraption Maker
$12.99
Ages 8+PCMeaningfulness 53/100 · Loweditorial Editorial only
Chain reactions built part by part from the designer of The Incredible Machine, and short enough for one sitting.
8. Bridge Constructor Portal
from $0.99In-app purchases
Ages 10+ · ESRB E10+PC, Console, MobileMeaningfulness 50/100 · Loweditorial Editorial only
Beams redden as load builds, so you can see where a bridge is about to fail before it does.
9. Human Resource Machine
from $4.99In-app purchases
Ages 10+ · ESRB E10+PC, Console, MobileMeaningfulness 76/100 · Higheditorial Editorial only
Instructions, loops and jumps written as tiny office programs: the clearest introduction to algorithms we know.
10. Universe Sandbox
$29.99
Ages 10+PCMeaningfulness 66/100 · Moderatepractice Practice-backed
Drop a second sun into the solar system and watch what gravity does; a physics sandbox that rewards questions.
11. Kerbal Space Program
~~$39.99~~from $9.99−75%
Ages 10+ · ESRB EPC, ConsoleMeaningfulness 87/100 · Exceptionalpractice Practice-backed
Thrust, mass, staging and orbital mechanics are learned by building rockets that fail in instructive ways.
12. Euclidea
FreeIAPIn-app purchases
Ages 12+Mobile, PC, WebMeaningfulness 86/100 · Exceptionaleditorial Editorial only
Classical geometry as a puzzle: constructions have to work, and the move count pushes toward proof-like elegance.
13. Juno: New Origins
from $6.99In-app purchases
Ages 12+Mobile, PCMeaningfulness 81/100 · Higheditorial Editorial only
Rocket and plane building with real orbital mechanics, on a phone; a heavy craft simply does not reach orbit.
14. Stormworks: Build and Rescue
$24.99
Ages 12+PCMeaningfulness 66/100 · Moderateeditorial Editorial only
Engines need fuel, air and cooling; a vehicle that skips one of them simply will not run.
15. Mars Horizon
~~$19.99~~from $16.99−15%
Ages 12+PC, ConsoleMeaningfulness 52/100 · Lowpractice Practice-backed
Payload against launch capacity, reliability against schedule: real space-programme trade-offs, built with agency input.
16. Oxygen Not Included
$24.99
Ages 13+PCMeaningfulness 66/100 · Moderateeditorial Editorial only
Heat, gas pressure and plumbing interact in a colony that fails in cascades, so systems thinking becomes survival.
17. Foldit
Free
Ages 13+PC, WebMeaningfulness 85/100 · Exceptionalresearch Research-backed
Protein-folding puzzles whose player solutions have appeared in scientific papers; the science is the game.
18. Eterna
Free
Ages 13+Web, MobileMeaningfulness 85/100 · Exceptionalresearch Research-backed
RNA design puzzles that feed real laboratory synthesis, with the research contribution documented.