Game design: 326 (Mitsuru Nakamura) Graphics: Misaki Shimada (Arclight Games) Lead developer: Atsushi Hashmoto (Arclight Games) Editor: Shou Gotou, Kunihito Nozawa (Arclight Games) 【スペック】 Playing Time: 10mins. Age Range: 8 yrs and older Players: 2-8 Size: Number card, Zero card: 56 x 87mm [Set Contents] Number card x100 Zero card x1 Topic sheet (100 questions) x1 Topic marker x1 Cube x16 Instructions x1