Test Matrix

All Brain Speed Tests

The current library includes 6 tests covering reaction time, short-term memory, visual memory, target aim, and hand speed.

Visual Reflex

Reaction Time Test

Wait for the screen to switch, then click instantly to measure visual reflexes.

Average
239ms

Track your click latency with high precision, complete 5 rounds, and see your average reaction time.

Average reaction timeBest reactionFalse starts
Difficulty Easy18.2k sessions
Hand Speed

Click Speed Test

Click as fast as possible in a short time window and measure your CPS.

Average
8.4 CPS

Includes 1s, 5s, and 10s modes for hand-speed challenges, gaming drills, and social sharing.

Total clicksCPSMode score
Difficulty Easy24.6k sessions
Click Accuracy

Aim Trainer

Hit randomized targets one by one and measure accuracy plus movement efficiency.

Average
14.6s

A lightweight aim-trainer loop that tracks total completion time, average hit pace, and miss rate.

Total timeAverage hit timeMiss rate
Difficulty Medium9.1k sessions
Working Memory

Number Memory

Remember longer and longer number strings to test short-term digit memory.

Average
8 digits

Each round shows a new number sequence, increasing length over time to reveal working-memory limits.

Max digitsRounds passedAccuracy
Difficulty Medium11.8k sessions
Sequence Recall

Sequence Memory

Memorize the flashing order and replay it perfectly.

Average
Level 7

Inspired by Simon-style play, each round adds one more step and pushes rhythm plus recall together.

Highest levelLongest sequenceClean streak
Difficulty Hard7.2k sessions
Spatial Memory

Visual Memory

Remember highlighted squares and reproduce their positions from memory.

Average
Level 6

A growing grid lights up several cells for a moment, then asks you to recover every location accurately.

Highest roundLargest gridAccuracy
Difficulty Hard6.4k sessions