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1960
Pan-Kai
2–2 players · 10 min
Each player has a set of 12 different pentominoes to place on a 10 x 10 grid.
Each player alternates placing a piece on the grid. There must never be a closed-off area of 4 squares or less. The last player to play a legal move wins.
One of the solitaire ways to play is to try to completely fill up the 10 x 10 grid using any 20 of the 24 pieces.
The game was reissued with a larger board and 3 and 4 player variants under the name Universe.
Online Play
BoardSpace (real-time, AI option)
Mobile Apps
Boardspace.net local multiplayer or online, IOS
Boardspace.net local multiplayer or online, Android
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