Leaderboards are public and show initials only. Players created on this phone are highlighted.
Got an idea, or found a problem? We read every message when we next look after the games. Every game has a speech-bubble button at the top for this too.
Put it on your iPhone: tap the Share button in Safari, then Add to Home Screen. You get one Tofuchan Arcade icon with all the games inside, and it works offline.