Plot: Metal Slug 1st Mission was released in 1999 and 2000 in Japan and North America respectively by SNK for the Neo Geo Pocket Color. The game was developed by Ukiyotei. Wikipedia
Plot: Metal Slug 2nd Mission was released in 2000 in both Japan and North America by SNK for the Neo Geo Pocket Color The game was developed by Ukiyotei. Wikipedia
Plot: Metal Slug Advance is a run and gun video game for the Game Boy Advance handheld system created by SNK Playmore in 2004, and is canon to the Metal Slug series. Wikipedia
Plot: Metal Slug 7 is a run and gun video game developed by SNK Playmore for the Nintendo DS. It is the eighth and final title in the main Metal Slug series. It marks the first game in the main series that would be released without an arcade version. Wikipedia
Plot: Metal Slug is a Japanese run and gun video game series originally created by Nazca Corporation before merging with SNK in 1996 after the completion of the first game in the series. Wikipedia
Plot: Metal Slug 4 is a run and gun video game for the Neo-Geo console/arcade platform created by Mega Enterprise along with Noise Factory. It was released in 2002 for the Neo-Geo MVS arcade platform, and is the fourth game in the Metal Slug series. Two years later, Playmore published Metal Slug 4 for consoles...
Plot: Metal Slug 5 is a run and gun video game for the Neo-Geo created by SNK Playmore. It was released in 2003 for the MVS arcade platform and is the fifth game in the Metal Slug series. The game was developed by Noise Factory/SNK Playmore, after Korean company Mega Enterprise had directed Metal Slug 4....
Plot: Metal Slug 2 is a run and gun video game developed by SNK. It was originally released in 1998 for the Neo-Geo MVS arcade platform as the sequel to the 1996 game Metal Slug. Wikipedia