Nintendo, Hamster Corporation, Irem Software Engineering
SNK [1978-2001], Hamster Corporation
Jaleco, Hamster Corporation
SNK [1978-2001], McO'river, Video System, Hamster Corporation
Sony Computer Entertainment, SNK [1978-2001], Hamster Corporation
+2
SNK [1978-2001], Video System, Hamster Corporation
SNK [1978-2001], Hamster Corporation
+1
Konami, Hamster Corporation
Hamster Corporation
SNK [1978-2001], SNK Playmore, Tradewest, Hamster Corporation
+4
SNK [1978-2001], SNK Playmore, Hamster Corporation
Taito, Hamster Corporation
Hamster Corporation
Atari Inc. (1972-1984), Sunsoft, Hamster Corporation
Jaleco, Hamster Corporation, Nihon Maicom Kaihatsu (NMK)
Hamster Corporation
+6
SNK [1978-2001], SNK Playmore, Takara, Hamster Corporation
+3
SNK [1978-2001], Takara, Hamster Corporation, D4 Enterprise
+3
SNK [1978-2001], Hamster Corporation
+2
SNK [1978-2001], SNK Playmore, Imagine -- The Name of the Game, Hamster Corporation