⚡
Reaction Time
Click the moment the screen changes color.
🎨
Color Perception
Spot the slightly different shade in the grid.
🍀
Luck Test
Guess a number 1–10. Feel lucky?
🖱️
Click Speed
Click as fast as you can in 5 seconds.
🧠
Memory Test
Repeat the flashing sequence from memory.
📏
Estimation Test
Guess the length of a random line in pixels.