Trust your gut.

Challenge friends

Same games. Who wins?

Daily challenge

10 rounds. New every day.

Half & Half

One shape. Two equal halves. Your call.

~3 minPlay

Hidden Count

Watch them fall. How many went in?

~3 minPlay

Vanishing Ball

The ball disappears. Where did it go?

~2 minPlay

Mind Turn

Same solid. New angle. Which one is it?

~2 minPlay

Perfect Shape

Draw it freehand. How close to perfect?

~4 minPlay

Reflex

React to ↑. Can you ignore the lookalikes?

~2 minPlay

Size Illusions

Make B match A. Can you see past the illusion?

~3 minPlay

Mental Math

Add, multiply, divide. Beat the clock.

~2 minPlay

Angle Set

Set the angle. Then take on triangles.

~2 minPlay

Inner Clock

Changing durations. Can you keep your inner clock?

~2 minPlay

Dot Flash

A flash of dots. How many did you see?

~2 minPlay

Color Match

See a shade. Remember it. Find it again.

~2 minPlay

Line Split

Find the fraction. Trust your eye.

~2 minPlay

Echo the Beat

Hear the rhythm. Tap it back.

~3 minPlay

Equal Pour

Different glasses. The same amount?

~3 minPlay

Color Wheel

Hold a color in mind. Find its exact hue.

~2 minPlay