Objectively measure your visual acuity and reaction time
Challenge 4 questions each from all 10 tests, 40 questions total! Use your reaction time and visual tracking skills to aim for the perfect 4000 points! The ultimate competition to crown the ultimate reaction-time champion.
A Landolt C, commonly used in vision tests, appears on the screen. Quickly identify the direction of the opening and answer with arrow keys. Challenge 10 questions with increasing speed!
The Landolt C moves at high speed from one side of the screen to the other! Identify the opening direction while it passes. An authentic visual tracking test using moving objects.
After seeing the opponent's hand, quickly choose the correct gesture! Can you select the correct hand within 2 seconds? A test of judgment and reaction time.
Quickly select a card with a higher number than your opponent's! Only 1 of your 4 hand cards is correct. Test your instant judgment and reaction time.
Identify 4 characters that flash across the screen at high speed! Character strings fly in from random directions at high speed - the ultimate Dynamic Visual Acuity Test of instant recognition.
Click to swat flies buzzing around the screen! Track and quickly hit flies moving erratically at high speed - a test of reaction time and tracking ability.
Catch the falling stick at the right moment! The closer you catch it to the palm, the higher your score. A reaction time test with gradually increasing speed.
Find numbers hidden in a sea of characters flying across the screen! Higher levels mean more characters and increased difficulty. Compete for the fastest time!
Read English words that appear for only a moment! Higher levels mean shorter display times. Challenge the limits of your instant memory!
Stop the spinning slot machine at the right moment to align 777! A reaction-time test of timing and concentration.