MSO Games

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

Lightning — Win under 60 seconds Precision — Zero wasted clicks High Efficiency — 95%+ IOE ratio Hardcore Hero — 10 / 50 / 100 hardcore wins Survivor — Win streaks of 5 / 10 / 25 Centurion — 100 / 500 / 1000 wins Daily Devotee — Daily challenge streaks

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.