Sigil Online

Choose a game mode

Local 1v1 Play on the same screen with a friend vs AI Play against the computer

Easy 0.1s per turn Medium 1s per turn Hard 10s per turn Very Hard 60s per turn Hard 5+0 5 min for the game Hard 10+1 10 min + 1s per move

Online Multiplayer Play with a friend over the internet Active Games Resume your ongoing online games Leaderboard Top rated players Puzzles Find the forced win in positions from real games Annotate Positions Help train Sigil's AI by labeling ambiguous positions Account Sign in for ranked play and ratings Rulebook Official rules (PDF) Discord Join the community to chat and find opponents

Spell packs

Competitive variant Empty board start; both players blink onto any node for their first move. Deathmatch variant Win only by eliminating all of your opponent's stones. Unrated. Allow duplicates variant The spell draw may repeat a spell (up to three copies), as if drawn with replacement. Unrated. Art-only spell circles Hide spell names and descriptions on the board circles (art only).

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