Premium logic games, verified puzzle challenges, and live strategy duels. 5 free plays per month — no account needed. Subscribe for unlimited access to 20+ titles.
From solo logic puzzles to live multiplayer tournaments — the BLOS Play™ library is built for every level of focus, strategy, and competition.
Whether you're solving puzzles solo, competing in live duels, or running a tournament — BLOS Play™ has a mode for you.
Verified logic puzzles across 10+ puzzle types — Sudoku, Killer Sudoku, Akari, Hitori, Masyu, Slitherlink, Suguru, Kakuro, and more. 5 free plays per month. Subscribe for unlimited access.
Open Sudoku Lab™Live multiplayer rooms with 6-character codes. Chess, Battleship, Tech Empire, AET, and more. Human vs Human or Human vs AI.
Play Chess MindWorks™Run Swiss, Knockout, or Round Robin brackets with up to 16 players. Auto-pairing, assigned rooms, live standings board.
Start a TournamentCreate a room, share the 6-character code, and play. Human vs Human or set AI opponents. Time controls from Bullet to Classical. Live event log and chat included.
Start a Duel →5 free plays per month — no account required. Create a free account to track progress. Subscribe to Premium for unlimited access to all 20+ games.