Field Omisaba (OMISABA) is a survival game venue in Omitama, Ibaraki Prefecture, officially recognized as a local tourism activity. Operated by Masanori Suzuki and serving as the home base of Team BAT, the field offers approximately 2,700 tsubo of adaptable outdoor space. Players can enjoy different game environments, including a forest zone and an open-ground zone, with layouts that can be adjusted to suit varied concepts and play styles.

Omisaba hosts regular game days, private bookings, and special events throughout the year. Its schedule includes activities for both younger players using 10-and-under-rated equipment and adult sessions for players aged 18 and over. Visitors can choose from daytime, nighttime, or full-day use, as well as scheduled games. The venue welcomes individual participants and groups, and offers advance reservations for attendance, events, and private rentals. Some scheduled activities allow same-day participation and provide shuttle service; fees vary by event and age group. The site also shares a gallery of gameplay and field scenes to help visitors understand the experience before booking.