CONTACT

Get in touch.

GridJoy is a one-person project. There's no support queue — just a developer who reads everything.

BUG REPORTS

Leave a review on Google Play →

The fastest way to flag a bug is a Play Store review — it appears in the developer console immediately. Describe what happened, which puzzle type, and which device if you know it. Every review is read.

FEEDBACK + FEATURE REQUESTS

gridjoypuzzles@gmail.com

For anything that doesn't fit a review — feature ideas, partnership questions, press enquiries, or just saying hello. Response times vary but nothing goes unread.

COMMON QUESTIONS

Check the FAQ first →

Questions about offline play, cosmetics, the ghost system, progression, or ads are almost certainly answered there.

FREE ON ANDROID — NO SETUP REQUIRED

FREE ON GOOGLE PLAY →

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GridJoy

18 number puzzle types · Free on Android

A calm collection of number puzzles with a ghost companion that grows with you. Sudoku, Kakuro, Calcudoku, Hex Mazes, Killer Sudoku, and 13 more — all generated fresh, all free, no ads during puzzles.

Sudoku

Calcudoku

Kakuro

Killer Sudoku

Hex Mazes

Skyscraper

Hitori

Takuzu

Shikaku

Sumplete

Starlink

+ 7 more

Free on Android — Get it on Google Play

Daily challenges No paywalls Works offline No ads in puzzles