Optimum Zone PC Bang Suyu-yeok Branch (Oz Arena PC Bang) is near Suyu-yeok in Seoul, where customers can play computer games and eat. Its food includes dishes such as kimchi bokkeumbap made with green-onion oil, and paid Steam games can be played without buying them. The venue has couple seats and adult seats, and users of the adult seats must verify their identity with an ID each time. In the standard seats, the computer tower is under the desk, which can make the leg area uncomfortable for taller people.