Reign Days

Think fast. Solve smart. Climb the ranks.

Reign Days turns Sudoku into a live, competitive tournament. New games start around the clock — join one, race to solve the board accurately, and win credits based on how you place against everyone else.

PLAY IN REAL SUDOKU TOURNAMENTS
• Scheduled tournaments running throughout the day
• Compete against other players for the top spots
• Difficulty rotates from Easy to Hard — pick your challenge
• Climb the global leaderboard and earn credits for strong finishes

PURE SKILL, NO LUCK
Every player solves the same puzzle board. Your rank comes down to accuracy and speed — not chance. The better you solve, the more you win. Watch replays of top players to sharpen your own logic.

CHALLENGE YOUR FRIENDS
• Add friends and send direct tournament challenges
• Share a challenge code or link so anyone can join your tournament
• Settle who's the real Sudoku champion

EARN & PLAY YOUR WAY
• Start with free credits the moment you sign up
• Watch a quick rewarded ad for more
• Or grab a credit pack to jump into bigger tournaments

Whether you've got two minutes or twenty, there's always a brain-training puzzle tournament to join. Sharpen your logic, build your streak, and reign.

Reign Days is free to play with optional in-app purchases. Credits are a virtual in-game currency with no monetary value and cannot be exchanged for cash.