Sigil Online
Choose a game mode
In progress
Local 1v1
Play on the same screen with a friend
vs AI (Easy)
Stone-count minimax, 0.1s per turn
vs AI (Medium)
Stone-count minimax, 1s per turn
vs AI (Hard)
Stone-count minimax, 5s per turn
vs AI (Very Hard)
Stone-count minimax, 60s per turn
Online Multiplayer
Play with a friend over the internet
Active Games
Resume your ongoing online games
Leaderboard
Top rated players
Annotate Positions
Help train Sigil's AI by labeling ambiguous positions
Account
Sign in for ranked play and ratings
Rulebook
Official rules (PDF)
Spell pack
(expansion AI games are unrated)
Core
Springtime expansion
Celestial expansion
Fury expansion
Tempest expansion
Tsunami expansion
All packs combined
Competitive variant
Empty board start; both players blink onto any node for their first move.
Theme
