// arena
Head-to-head match. Fixed move budget, 10-second-per-move timer, server-validated move logs.
// solo
Level-based progression with falling block obstacles. Survive as long as you can — runs end when no valid moves remain.
Race the clock. Every cluster banks time bonuses. How long can you stay alive?
// custom
Invite up to four. Pick the rule set — line-only, bomb-rush, rainbow draft. Private codes.