What are all the metal slug games

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!