Metal Slug Anthology for the Sony PSP is a compilation of the iconic run-and-gun platformer series from SNK. It encompasses seven titles from the franchise including Metal Slug, Metal Slug 2, Metal Slug X, Metal Slug 3, Metal Slug 4, Metal Slug 5, and Metal Slug 6. This action-packed collection belongs to the arcade, shooter genre and offers a mix of side-scrolling gameplay, cooperative multiplayer modes, and an arsenal of weapons to combat varied enemies and massive bosses - all with the series' characteristic hand-drawn, cartoon-like graphics.