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====== Four ======

Four colours and four sizes of polyominoes share a growing grid. Each placement must differ in colour **and** size from the last move and from every orthogonally touching piece. The last player able to place wins.

Inventor: Stephen Tavener

===== Rules =====

Published listing: [[https://boardgamegeek.com/boardgame/133842/four|BoardGameGeek: Four]].


===== Variants =====

==== Learning game ====

Only sizes 1–3 (no 2×2). Bounding box **7×7** (''simplified'').

===== Further details =====

==== Version history ====

  * Current engine version: ''20240216'' (2024-02-16). On Abstract Play since 2024-02-18.

==== Links ====

  * [[https://boardgamegeek.com/boardgame/133842/four]]