What's the cognitive limit?

Working memory typically holds 7±2 items. Most people stall at round 8-12. Chunking strategies (grouping into pairs/triples) can extend this.

Games · Free tool

Simon Says

Memorize and repeat color sequences. Each round adds one color. Best round saves.

Updated May 2026

Round

Best: 0

Watch the colors light up, then repeat the sequence in order. Each round adds one color. Most adults make it to round 8-12; champions push past 20.

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What it does

Memorize and repeat color sequences. Each round adds one color. Game ends on first wrong press. Best round persists.

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Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.

<iframe src="https://freetoolarena.com/embed/simon-says" width="100%" height="720" frameborder="0" loading="lazy" title="Simon Says" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>

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How to use it

Press Start.
Watch the sequence light up.
Click the colors back in the same order.
Each round adds one more color.

Frequently asked questions

What's the cognitive limit?: Working memory typically holds 7±2 items. Most people stall at round 8-12. Chunking strategies (grouping into pairs/triples) can extend this.

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