Color pattern memory game with audio feedback. Repeat the sequence as it gets longer. Three speed settings
Watch the sequence of colors light up, then repeat it back from memory. Each round adds one more step. Simon Says starts easy but quickly becomes a serious test of short-term memory and focus.
Initializing in your browser…
Card matching memory game with 4 emoji themes (animals, food, sports, nature), 3 difficulty levels, and timer
Code-breaking puzzle game. Guess the secret color code with feedback pegs. Three difficulty levels
Classic cellular automaton simulation. Draw cells, load famous patterns (Glider, Pulsar, Gosper Gun), and watch complex behavior emerge from simple rules.
The sequence so far is green, red, red and the game adds one more flash.
Input
Reproduce: green → red → red → (new) blue
Result
Correct → round 5 begins with a 5-step sequence
Each round appends one step to the existing pattern, so it tests working memory under growing load. Chunking the sequence into groups of 3–4 and rehearsing sub-groups is how players push well past the ~7-item short-term limit.
Watch the sequence of colors light up, then repeat it back from memory. Each round adds one more step. Simon Says starts easy but quickly becomes a serious test of short-term memory and focus.
Actively recalling growing sequences is one of the best exercises for working memory.
The distinct tones for each color help develop auditory pattern recognition.
Pass the device around and see who can survive the longest sequence.
There is no upper limit, the sequence keeps growing until you make a mistake.
The game ends and your streak is recorded. Hit play to try again.
The game runs entirely in your browser. No account is needed and no gameplay data is collected.