Games

No time for a full test? Each game takes about a minute and uses the same tasks as the real tests.

Reflex

Tap the instant it turns.

Reaction time

Color Clash

Name the ink, not the word.

Stroop

Symbol Match

Match the symbol to its number.

Symbol-digit

Green Light

Go on green, freeze on red.

Go / no-go

Trail Sprint

Connect the trail in order, fast.

Trail making

The Gauntlet

All five games, one score.

In one sitting · about 5 to 8 minutes

Run all five

Number Challenge

Pick the larger of two numbers for 30 seconds. Live leaderboard.

The original