01
Match in real time
Face an online opponent on the same puzzle. Track both players’ live progress and solve cleanly before they do.
- Shared competitive boards
- Live progress and results
- Battle points and rankings
Classic logic, live competition
Every move
changes the match.
A complete Sudoku experience built for solo focus and real-time rivalry. Train, clear stages, take on the daily challenge, or race another player on the same board.
- 9×9
- Classic boards
- Live
- Head-to-head play
- 2
- Screen sizes
Live battle
Match BattleFriend BattleDaily ChallengeStage ModeTrainingLive Spectate
More ways to play
One puzzle.
Three kinds of tension.
Choose your pace—from a quiet daily ritual to a live race where every placement matters.
02
Challenge your circle
Create a room, invite a friend, or watch an active match unfold. Competition is never limited to strangers.
- Friend rooms and invitations
- Live match spectating
- Battle history and replay
03
Build a daily rhythm
Keep your logic sharp with daily challenges, structured stages, and five training difficulties for every level.
- Daily puzzle and leaderboard
- Progressive stage mode
- Notes, hints, undo and themes
Designed for every screen
Focus that travels.
Pick up a quick match on iPhone, then settle into the full board on Mac. The same clear hierarchy keeps the puzzle—not the interface—at the center.
A fair race of logic
Same board. Your strategy.
- 1Find your rival
Match instantly or invite a friend into a private room.
- 2Solve side by side
Both players receive the same puzzle while progress updates live.
- 3Learn from the result
Review the battle, replay moves, and return sharper next time.
Think fast. Stay precise.
Your next puzzle
is already waiting.
Questions about Shakuda Sudoku, partnerships, or support?
peter@netchu-jp.com