METAL SLUG X is an action shooting game released by SNK in 1999. It is a rearranged version of METAL SLUG 2. Using METAL SLUG 2 as a base, a variety of new weapons and enemies have been added. Furthermore, with position changes of bosses and more, the game's difficulty has been completely readjusted. 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.