Complex Span

Memorise a letter, then judge a quick equation, then another letter… and recall every letter in order at the end. Juggling storage with a distracting task is the gold-standard working-memory test.

Trains: Working memory (complex span) · Category: Memory

How to play: Complex Span is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

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