A quiet corner of the universe

Logic among
the stars.

Explore handcrafted number puzzles, discover distant worlds, and find a little focus in every mission.

Discover Cosmodoku
01

Thoughtful puzzles

Clear rules, carefully balanced challenges, and no unnecessary distractions.

02

A growing journey

Travel through themed locations and unlock new missions as your skills develop.

03

Your own pace

Take a short break or settle in for a longer voyage. Progress is always yours.