METAL SLUG 4 is an action shooting game released by SNK in 2002. It is the fifth title in the METAL SLUG series. In addition to Marco and Fio, new characters Trevor and Nadia have joined the battle! Aim for the high score as you play with new items and the new Metallish System. The "ACA NEOGEO" series has faithfully reproduced many classic NEOGEO masterpieces.Players can change various game settings such as game difficulty, and also reproduce the atmosphere of arcade display settings at that time. Players can also compete against each other from all over the world with their high scores.Please enjoy the masterpiece that built a generation for video games