Learning apps

Mini apps for curious minds

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Mini games13 games

Simulations35 simulations

Featured

Hand-picked by the Astra team

PhysicsSimulation4.829.8k

Rocket Workshop

Build a rocket, launch it and find out what it takes to reach space.

BiologySimulation4.8135.2k

Human Body Atlas

Explore, isolate and take apart thousands of anatomical structures.

PhysicsSimulation4.753k

Solar System

Explore the planets, the Moon's phases and eclipses in one 3D model.

Today's puzzles

+20 Stars each

Logic Gates

Play

Sudoku 9×9

Play

15 Puzzle

Play

Nonogram

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Guess the Equation

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Geography

Play

Scribble Launch

Play

Pipes

Play

Hashi

Play

Marbleslides

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Minesweeper

Play

Points based on where you place in each of today's puzzles

Top picks

All time, across Astra

1

Human Body Atlas135.2k

2

3

Build a Cell74k

4

5

Solar System53k

6

Build an Atom41.5k

7

Virtual Lab35.8k

8

Tower of Hanoi35.1k

New apps

Fresh this month

4.6132 ratings48.1k

Geography

Name the country, pin its capital, pick its flag.

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Chemistry6 apps

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