Back Fire (Tecmo) (Japan, Bootleg, Prototype?)

A.B. Cop (Japan, FD1094 317-0169b)

Buster Bros. (US)

FixEight (Hong Kong, Taito license)

Metal Slug 4 Plus (bootleg) [Bootleg]

Space Harrier (Rev A, 8751 315-5163A)

Super Volleyball (Japan)

Thunder Dragon (9th Jan. 1992) [No sound]

Thunder Zone (World 4 Players)

X-Men - children of the atom (941222 Japan)

X-Men vs Street Fighter (960910 Japan)

Adventure Quiz Capcom World 2 (Japan 920611, B-Board 90629B-3, no battery)

Bomber Man World (Japan, revised sound hardware)