Help
Need a hand?
Battle Sudoku is a small team. Email us at support@crosscloudpartners.com and we’ll reply within two business days.
All systems operational. (Live status page coming soon.)
Troubleshooting
Can’t sign in?
Reset your password from the Login screen → Reset Password.
Match stuck in waiting?
Pull to refresh the Battle screen, or have the host cancel and create a fresh match.
Avatar / wallpaper upload failed?
Each account is capped at 5 custom wallpapers and 8 MB per image. Delete one to upload another.
Frequently asked questions
Is Battle Sudoku free?
Yes. The full game is free. There are no ads and no trackers.
Does it work offline?
Solo mode works offline. Battle mode needs a network connection because the server arbitrates moves between both players.
Do I need an account?
Yes — a free account is needed to sync saves and to play Battle. Sign up with email; password reset and Face ID quick-sign-in are supported.
Can I delete my account?
Yes. Profile → Delete Account permanently removes your profile, friends, matches, statistics and uploaded photos within 24 hours.
What about my friends' privacy?
We don't read contacts. The only friend list is the one you build inside the app.
Which iOS versions are supported?
iOS 18 and later. iPhone and iPad.