Updated: 6 April, 2026.
Erwin is a quantum-themed 3D sliding puzzle game for iPhone.
If you are experiencing an issue, bug, or crash, first of all: sorry for the inconvenience. Please make sure that you are using the latest version of Erwin, and that your iPhone is running the latest version of iOS. Erwin requires iOS 26 or later. If your issue persists, please send a screenshot or a screen recording via email to help investigate.
If you need help or have a question, take a look at the frequently asked questions, or send an email to info@erwin.game.
Erwin is made by one person. I read every message and reply as quickly as I can — usually within a few days.