Build a complete path
Current needs an unbroken route. Rotate wires, use crossings, and work around obstacles to connect source and load.
A puzzle studio original for iPhone
Make the connection.
Rotate components, route the current, protect every LED. Circuit turns the logic of electronics into a game you can understand by playing.
◆Coming soon to theApp StoreSee how it works →
80 handcrafted levels · No account required · iOS 18 or later
Puzzle StudioCircuit
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Learn with your hands
Real ideas. Puzzle-sized.
Every new concept arrives through play, with short explanations and no wall of formulas.
Control the current
Choose the right resistance for each LED. Too little protection can burn it out; too much leaves it dark.
Read the circuit
Cyan, yellow, and red LEDs behave differently. The board gives you the clues; you make the deduction.
Experiment without pay-to-win
Protection fuses make mistakes meaningful. They recharge over time, and optional rewarded ads can restore one.
More than one current
A campaign to learn. Challenges to master.
Move through 80 increasingly demanding levels, return for a fresh daily circuit, or race the clock in a three-minute session.
80Campaign levels
DailyNew reason to return
3:00Timed challenge
Fair by design
Free to finish.
Worth coming back to.
The full campaign is free. No level is locked behind payment.
Rewarded ads are optional. You choose whether a video is worth one fuse.
Circuit Pro supports the game. A one-time purchase adds supporter benefits without making puzzles easier.
Circuit for iPhone
Close the loop.
Coming soon to the App Store.
Contact the developer