Out Zone

OutRunners (World)

Oni – The Ninja Master (Japan)

Out Run (deluxe sitdown)

Oriental Legend 2 (V104, Oversea)

Operation Wolf (US)

Oriental Legend – Xi Yo Gi Shi Re Zuang (V126)

Oriental Legend Super (V101, Korea) [Imperfect Protection Emulation]

Oriental Legend Special Plus / Xi You Shi E Zhuan Super Plus (ver. 205) [Incomplete Dump]

Out Run (sitdown/upright)

Omega Fighter

Oriental Legend (V105, Korea)

Operation Wolf (World, set 1)

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

Over Top

Out Run (deluxe sitdown earlier version)

Out Run (sitdown/upright, Rev A)

Operation Wolf 3 (World)

Operation Thunderbolt (World)

Osman (World)

Out Run (Japan, deluxe sitdown, FD1089A 317-0019)

Out Run (bootleg) [Bootleg]

Ordyne (Japan, English Version)

Out Run (sitdown/upright, Rev B)