The single was released in two editions: a limited edition including a bonus DVD with a music video for "Endless Game", and a regular CD only edition including two bonus tracks and karaoke tracks for all the songs. The limited edition also contains a 16-page booklet.
"Endless Game" debuted at the top of the Oricon Singles Chart with opening sales of 478,000 copies, becoming the group's 30th consecutive number-one single in Japan.[2] It was certified Double Platinum by the Recording Industry Association of Japan (RIAJ) for shipments of 500,000 units.[3]