Wonder Circuits: Digital Logic

Build a computer from logic gates across 62 levels. The first 14 and the full sandbox are free; unlock the other 48 with one purchase. Offline, no ads or subscriptions.

Learn digital logic through 62 lessons in 13 chapters. Start with AND, OR and NOT, then build binary adders, feedback circuits, registers, memory and state machines. Assemble a visible four-bit computer and write programs for it.

Start with the first 14 lessons and the complete Logic Lab for free. One optional purchase unlocks the remaining 48 lessons and all future core content. No subscriptions or consumables.

Build freely in the complete Logic Lab, save reusable chips and share offline blueprints. Works offline, with no accounts, ads or tracking. This is a digital logic simulator; it does not model voltage or current. Campaign lessons still progress in order after purchase.