Operation Wolf 3 (US) Arcade ROM ISO

Operation Wolf 3 (World) Arcade ROM ISO

Orbitron Arcade ROM ISO

Orbs (10/7/94 prototype?) Arcade ROM ISO

Ordyne (Japan) Arcade ROM ISO

Ordyne (Japan, English Version) Arcade ROM ISO

Ordyne (World) Arcade ROM ISO

Oriental Legend (V105, Korea) Arcade ROM ISO

Oriental Legend – Xi Yo Gi Shi Re Zuang (V111, China) Arcade ROM ISO

Oriental Legend – Xi Yo Gi Shi Re Zuang (V111, Korea) Arcade ROM ISO

Oriental Legend – Xi Yo Gi Shi Re Zuang (V111, Taiwan) Arcade ROM ISO

Oriental Legend – Xi Yo Gi Shi Re Zuang (V112 alt, China) Arcade ROM ISO