Run 'n' gun through waves of enemies with Metal Slug Anthology for the PSP. This incredible portable compilation brings together seven classic arcade hits from the beloved Metal Slug series: Metal Slug, Metal Slug 2, Metal Slug X, Metal Slug 3, Metal Slug 4, Metal Slug 5, and Metal Slug 6. Experience intense side-scrolling shooter action, detailed pixel art, and over-the-top humor, all on the go.