Spot the Impossible with Common Sense!

Something in this era doesn't belong. Trust your common sense and spot it.

Japanese Culture Literacy Test

Are your Japanese manners up to par?

Can You Explain It? World History Test

Can you talk about the history of the world?

National Adult General Knowledge Selection Test

Test your adult knowledge

Peek a Rabbit!

Where’s That Bunny Hiding? A Cute and Easy Brain-Training Picture Hunt Game

Find the Funny Mistake!

What’s wrong with this photo? A new kind of spot-the-mistake challenge!

Project Name: Prinny Sugoroku

Color Mismatch Brain Quiz

Simple brain training: spot the mismatch between color and words. Top shows the color, bottom shows the word.

Find the Four-Leaf Clover

A little happiness every time you find one. A time-limited four-leaf clover search puzzle!