👥
2 Players
Pure head-to-head strategy
Arcadeum
Online Gaming Arena
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Online Gaming Arena
The ancient game of surrounding territory. Simple rules, infinite depth.
Place stones, surround territory and capture groups on the most elegant strategy board ever made.
Pure head-to-head strategy
Learn on 9×9, improve on 13×13, master 19×19
Surround groups to remove them - the ko rule keeps it fair
Four difficulty tiers, from friendly randoms to MCTS search
Learn the fundamentals of territory, captures and scoring.
Pick a board size and theme, then share the link with a friend.
Or fill an empty seat with an AI bot at any difficulty.
Place stones, surround territory, capture groups - two passes end the game and area scoring decides the winner.
Every shared Arcadeum theme is available - the board adapts to your vibe.
Control more territory than your opponent by surrounding empty points and capturing enemy groups.
A group with no remaining adjacent empty points (liberties) is captured and removed from the board.
Immediately recapturing a single stone that would recreate the previous position is forbidden - play elsewhere first.
Two consecutive passes end the game. Pass when no valuable move remains.
Chinese area scoring: stones + surrounded territory, white starts with 7.5 komi points.
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