Metal Slug Anthology - Nintendo Wii Each included game in the Metal Slug Anthology offers game play and game objectives centered around a futuristic battle between two military groups known as the Regular army, and the Rebellion. In 2026, the Rebellion army launches an assault that pushes the Regular army forces to the brink of destruction. With superior numbers of troops and weapons, the Rebels overwhelmed the Regular army in all aspects. Seeing their disadvantage to carry out direct attacks against the Rebellion, the Regular army then decided to carry out numerous special operations and create certain vehicles to accompany their commandos. As a direct result of this new plan, a newly designed tank code named "Metal Slug" was put into production. Seven incredible Metal Slug games: Metal Slug 1, Metal Slug 2, Metal Slug X, Metal Slug 3, Metal Slug 4, Metal Slug 5 and Metal Slug 6 Arcade perfect port of each title. Pick-up-and-play, non-stop action