MSO Minesweeper Arena
No-guess boards. Fair competition. Every click counts.
No-Guess Boards
Every board is logically solvable. No 50/50 guesses, no lucky clicks. Pure deduction.
Chord Clicking
Click a number with the right count of surrounding flags to reveal all safe neighbors at once.
3 Difficulty Levels
Beginner (9×9), Intermediate (16×16), and Expert (16×30). Stats tracked per level.
Hardcore Mode
Fixed starting position — all players see the exact same board from click one. Maximum fairness.
3BV Efficiency
Tracks 3BV/s (clicks per second relative to board complexity) for standardized skill measurement.
Same Seeds for All
Everyone plays identical boards. Compare times, clicks, and efficiency on the same puzzles.
Earn Badges
Compete
Leaderboards
Per-seed rankings for time, clicks, 3BV/s, and IOE. Hold records across thousands of boards.
Daily Challenges
One board per day. One shot. See how you compare against every other player.
Rivalries
Dethrone record holders and defend your records. Head-to-head rivalry tracking and streaks.
Challenge Links
Share a link to any board. Friends play the same seed and compete on a private leaderboard.
Play MSO Minesweeper Arena
Free download for Windows. macOS and Linux coming soon.