Yay!
The most popular game for Uran's game tetrahedron system is now available on Earth. The game describes culture of Uran through 3 different periods. In case you don't hear a sound, that's because you're human. Only lemmings can hear it in this game.
Warning: Don't sing any song that contains the word "snowman" while playing this game. It can cause losing balance and diarrhea.