Round One in Sapporo is a large amusement center with claw machines, rhythm games, and bowling. Floors 1 and 2 hold claw machines, floors 3 and 4 hold arcade games, floor 5 has darts, and floor 6 has a bowling alley. Children are not allowed to enter after 10 p.m. At the floor 6 karaoke, you draw a ticket by QR code and pay downstairs on the way out.