Total: 4,891
Out Run (deluxe sitdown earlier version)
Out Run (bootleg) [Bootleg]
Osman (World)
Orius (ver UAA)
Oriental Legend Super (V101, Korea) [Imperfect Protection Emulation]
Oriental Legend Special Plus / Xi You Shi E Zhuan Super Plus (ver. 205) [Incomplete Dump]
Oriental Legend Special - Xi Yo Gi Shi Re Zuang Super (V103, China, Tencent) (unprotected)
Oriental Legend Special - Xi Yo Gi Shi Re Zuang Super (V100) [Imperfect Protection Emulation]
Oriental Legend (V105, Korea)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V126)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V112)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V112, China)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V112 alt, China)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V111, Taiwan)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V111, Korea)
Oriental Legend - Xi Yo Gi Shi Re Zuang (V111, China)
Ordyne (Japan)
Ordyne (Japan, English Version)
Orbs (10/7/94 prototype?)
Orbitron