Arcade Longplay [059] Metal Slug 4

As a main entry in the classic run-and-gun arcade shooter series, this title, originally released in 2002, features intense side-scrolling action where you navigate hazardous levels, blasting through enemy forces. The story centers on stopping the terrorist group Amadeus from deploying a world-crippling cyber virus, requiring you to join Marco and Fio with newcomers Nadia and Trevor. Gameplay emphasizes constant forward movement, heavy firepower, and surviving massive boss encounters. It remains a self-contained adventure, widely available across Arcade, console, and mobile platforms.