Metal Slug 3 - 2000 VG is rated/received certificates of:
USA:T
Metal Slug - 1996 VG is rated/received certificates of: USA:E
Metal Slug Anthology - 2006 VG is rated/received certificates of: USA:T
Metal Slug 4 - 2002 VG is rated/received certificates of: USA:T
Metal Slug 5 - 2003 VG is rated/received certificates of: USA:T
Metal Slug X - 2001 VG is rated/received certificates of: USA:T
Slug Girl - 2013 is rated/received certificates of: Canada:G
metal slug zombie revenge, metal slug flash, armored hero metal slug, amored hero metal slug 2, metal slug zombie survival, metal slug defense, metal slug death defense, metal slug rampage 3, metal slug brutal 1, metal slug brutal 2, metal slug brutal 3, aqua slug, metal slug last mission, metal slug 1+2, metal slug rampage, metal slug stick. that is all of them!
Metal Slug happened in 1996.
Metal Slug was created in 1996.
Metal Slug 3 - 2000 VG was released on: Japan: 23 March 2000 (arcade version) Japan: 19 June 2003 (Playstation 2 version) USA: 25 May 2004 (Xbox version)
you can get metal slug games at a flea market
Metal Slug Advance happened in 2004.