Start playing
- Follow the tour with Next, then Start, or close it with the cross. Menus shown during the tour are previews.
- Read the first mission objective. Datasheets, Lessons and Hints help you find the solution.
- Levels shows your progress. Workbench opens the free experimentation area, available from the start.
Find your way around
Drag with one finger to rotate the 3D scene; use two fingers to pan. Pinch to zoom. View board brings the circuit closer; Solder side shows its underside. Use the View menu to return to a preset viewpoint.
In the workbench, My circuit opens the breadboard. The Workbench menu offers a blank board and editable examples. Choose Inspect, then tap a component to change it.
Landscape gives circuits more room on iPhone. The breadboard also has a portrait layout. In the editor, use two fingers to zoom and pan.
Guides, language and text size
Open Settings using the gear, or from More in the workbench. Change the language or text size, reopen the Complete guide or replay the Interactive tour.
Progress and saved circuits
The game works offline without an account. Settings, progress and circuits stay on your device. There is no cross-device sync. Contact us before deleting the app if you want to preserve your progress.
Contact support
Include your iPhone or iPad model, iOS/iPadOS version, game version, mission number and the steps that lead to the issue. A screenshot can help; avoid including personal information.
Compatibility: iPhone and iPad, iOS/iPadOS 26 or later. For payment issues or refund requests, use Apple’s purchase support.