Combat School: The player attempts to rise through the ranks and impress the instructor Margaret Southwood by quickly running through missions and clearing the entire game under one life.*On the PSX version of this game, this theme plays on the Dragon Nosuke (Mission 3 Boss) battle. This version have the same tracks than Metal Slug 2, but slightly arranged. This voiceover would endure until Metal Slug Advance.īackground Music (BGM) Main article: Metal Slug X Original Soundtrack The announcer from Metal Slug and Metal Slug 2 were replaced with a new voiceover, which adds more sounds bytes regarding the new weapons.Music and sound effects were remixed and improved for this game. Rearranged item placement also enables the fat transformation to appear early in Mission 3 instead of exclusive on Mission 4. Slowdowns that plagued the previous version were minimized greatly thanks to the new placement, and various bugs were fixed in this version. Some stages were altered in various ways, such as the time of the day (Mission 1 starts at dawn instead of day, for example), enemy, boss and item placement.Some classic weapons from previous also got more powerful versions of themselves with greater firepower, indicated by the pulsing letter of their pickup icon.Stone is basically a thrown rock, which is thrown much farther compared to other grenade types.The Super Grenade fire a large high explosive shell that travels straight forward and causes a massive explosion on impact.The Drop Shot fires anti-personnel landmines that bounce on the ground until it hits an enemy.The Iron Lizard fires a remotely controlled missile car that travels on ground and explodes at contact.The Enemy Chaser sends rockets that track down enemies at random.Metal Slug X also features some new weapons and a new grenade type that would later become a staple in later weapons: The SV-001 got an upgraded version that is faster and can jump higher called SV-001 Type-R, and the SV-Camel's Vulcan was slightly modified.The Dog Mummy makes its first appearance here as well as a few variations of the Mummy that would later appear in Metal Slug 3.