An independent game studio

Welcome to the world of

Quiet, cosy games with a whole cosmos to explore, made by one person for iPhone and iPad. A tiny studio with a big sky.

Scroll to the games

Three worlds, one universe

Every Cosmoku game is its own corner of the cosmos, with its own residents, rules and rhythm. All three are free to play.

All games

World 01 Arcade collection

Cosmoku Waystation

Twenty arcade cabinets. One little brass robot.

Step aboard a cosy space station, play twenty arcade games and light up the corridor for ORRY, the robot who built them all.

arcade cabinets
20
bulbs to light
60
brass robot
1

Free · Version 3.0 · Ages 4+ · Android coming soon

World 02 Logic puzzle

Cosmoku Sudoku

Relight the sky, one puzzle at a time.

A cosmic Sudoku adventure. Solve star charts to relight the constellations, from the warm Inner System out to the Deep Void.

star charts
800
worlds
8
ways to play
5

Free · Version 5.0 · Ages 4+ · Android coming soon

World 03 Arrow puzzle

Cosmoku Escape

Slide, escape, reach the stars.

A calm, clever arrow puzzle. Tap a piece and it slides off the board, if its path is clear. Escape from the launchpad all the way to Laniakea.

levels
7,000+
worlds
40+
solvable boards
100%

Free · Version 4.0 · Ages 4+ · Android coming soon

Latest from the studio

New releases and updates from across the universe.

The story so far
  1. Cosmoku Escape

    Version 4.0

    Cosmoku Escape is ready for iOS 27

    Support for iOS 27, plus a round of bug fixes for the long way out.

  2. Cosmoku Sudoku

    Sudoku relights the sky

    A full redesign turns 400 puzzles into star charts across forty constellations.

Meet the locals

You’re never alone out here. Two of the worlds come with company.

ORRY
The station has been quiet for a long time. ORRY is glad you’re here.

ORRY

Lives in Cosmoku Waystation

ORRY built every cabinet on the station by himself. Talk to him (your recordings never leave your phone), teach him super jumps and backflips, and keep his brass polished.

Visit ORRY
ORBIT
Beauty is a navigation hazard. Noted with reluctance.

ORBIT

Lives in Cosmoku Escape

Your ship’s companion on the long way out. ORBIT keeps the log, watches the route and has opinions about the view.

Visit ORBIT

A one-person studio

I’m Prithvi Krishna. I design, build and look after every game in this universe, so when you write in, your message reaches me, not a support queue.

  • Open and play

    No accounts and no sign-up forms. Pick a name and you’re in.

  • Cosy, not cluttered

    Calm worlds, gentle progression and art you’ll want to linger in.

  • Play anywhere

    Sudoku and Escape play fully offline, so the whole universe fits in your pocket.

  • Free to play

    All three games are free on the App Store, for iPhone and iPad.

Coming soon

Android is on its way

All three games are heading to Android. Leave your email and you’ll get exactly one message: the day they land.

No spam. One email on launch day, and your address is used for nothing else.