Marathon Trail Making

A free brain training test.

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How to play

• A grid of mixed numbers and letters appears.
• Tap them in alternating order: 1, A, 2, B, 3, C…
• Keep switching between numbers and letters.
• Finish the whole trail as fast as you can.
• A classic test of attention and task-switching.

Features

• Trail Making cognitive test built on real psychology
• Marathon difficulty over 22 rounds
• Shareable Brain Score, letter grade and brain-age estimate
• Tracks your personal best, with mutable audio cues
• Plays on touch and desktop, reduced-motion friendly

Ready to play?

A free brain training test.