Note: Our level rating system is different than Hanayama's. Hanayama's level 1 is equivalent to our level 5.... level 6 is equivalent to our level 10.
A ring is tangled in a cubic frame. The ring moves freely within the cubic space and makes you feel that time is infinite. Begin with the ring tangled around START and try to successfully remove the ring.
Theme: The box
Designed by Akira Yuta from Japan