- Watch each pad flash in order.
- Press the same pads in the same order.
- Every successful round adds one more pad.
- One wrong press ends the run.
Simon was introduced by Milton Bradley in 1978. Its four-color light-and-sound sequence made short-term memory feel like a game, and its pattern grew harder one signal at a time.
The sequence and level stay in this browser tab. No score or input is uploaded.
