You’re offline. Puzzles still work, and your progress is saved on this device.

Settings

Changes apply straight away and are saved on this device. If you sign in, they follow you to your other devices too.

Text size

Makes all text, the grid and the buttons bigger.

Colors
While playing
Grid size

Bigger grids may need sideways scrolling on small screens.

Leaderboards

Sign in to choose whether you appear on leaderboards.

Backup and restore

Save all your games and stats to a file, so nothing is lost when you change phones. (With an account, this happens automatically.)

Install LogicBright

LogicBright works offline and can be installed like an app. On a phone, use your browser’s menu and choose “Add to Home screen” or “Install app”. On a computer, look for the install icon in the address bar.