In celebration of the 20th anniversary for the King of Fighters series, SNK Playmore updated Metal Slug Defense with guests like Kyo Kusanagi and Iori Yagami. The latest update which just went live today brings Sie Kensou and Chin Gentsai, Athena Asamiya’s teammates into Metal Slug Defense along with the giant Stone Turtle unit.
Benimaru Nikaido, Goro Daimon, Mature, Vice, and Athena Asamiya are also in Metal Slug Defense.
Metal Slug Defense came out last May and has racked up over 20 million downloads on iOS and Android. The game is available as a free download for both platforms.