For StringFusor on iPhone and iPad
StringFusor is a casual color-matching puzzle game by Halfmarble LLC (“halfmarble”). Drop strings of colored pieces onto your grid and build patterns that fuse and release their energy.
Need help? Email support@halfmarble.com. Include your device model, iOS version, and a short description of what happened.
Strings of colored pieces fall onto your grid. Steer each string with the MOVE buttons, FLIP it end for end, and DROP it where it helps. Same-colored pieces that form a pattern fuse and release their energy. There are no timers — the board waits as long as you need, and UNDO is unlimited. The in-game ORIENTATION teaches the six easiest patterns by building them.
StringFusor has one optional purchase: a one-time unlock (Fusion Core) that opens the Experiment track and the Pattern Forge. It is tied to your Apple Account, so it carries across your devices and reinstalls. If it doesn’t show up:
Payments and refunds are handled by Apple, not by us. To request a refund, visit reportaproblem.apple.com.
Your settings, replays, and best scores are stored on your device only. There are no accounts and no cloud sync — if you delete the app, your progress is deleted with it.
Leaderboards use Apple’s Game Center and are optional. If your scores aren’t submitting, check that Game Center is turned on in your device Settings. To keep your scores private, turn Game Center off there.
An iPhone or iPad running iOS 18 or later.
StringFusor collects no data about you — no accounts, no analytics, no ads, no tracking. Read the full privacy policy.