ABCD

Game Rules: Fill the grid with letters (A, B, C, D, …) so that each letter appears the correct number of times indicated by the clues outside the grid. No two identical letters may occupy adjacent squares (including diagonally). Click a square to cycle through the available letters.

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Game Rules: ABCD

Free online ABCD puzzle - place letters in the grid following number constraints. No identical letters may touch. A fresh and challenging logic puzzle for all skill levels.

Fill the grid with letters (A, B, C, D, …) so that each letter appears the correct number of times indicated by the clues outside the grid. No two identical letters may occupy adjacent squares (including diagonally). Click a square to cycle through the available letters.

Frequently Asked Questions

Can I play ABCD for free?

ABCD is free to play online. You can start in your browser without downloading or installing anything.

Does ABCD work on mobile?

Yes. ABCD can be played in modern desktop and mobile browsers.

Do I need an account to play ABCD?

No account is required. Open the puzzle page and start solving immediately.

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