Metal Slug X Codes -

Cheat mode:
Successfully complete the game in arcade mission mode to unlock all levels in the "Arcade Mission" and "Another Mission" options.

Chat mode:
Select Combat School and while it is loading, rapidly press Square until the menu appears. The instructor will ask if you want to chat with her.

Combat School rankings:

Rank	Points
Super Devil	1000
General of army	990+
Lieutenant General	890+
Major General	780+
Brigadier General	700
Colonel	650+
Lieutenant Colonel	600+
Major	575
Captain	560+
1st Lieutenant	550+
2nd Lieutenant	500+
Chief Warrant Officer	475+
Warrant Officer	450+
Sergeant Major	425+
Master Sergeant	400+
Sergeant 1st class	350+
Staff Sergeant	300+
Sergeant	250+
Corporal	200+
Private 1st class	150+
Private	100+

Hint: Mission 3: Big Shotgun:
The Big Shotgun is the best gun in the game. It can be found on mission 3. Go to the first train cart holding objects. It is covered by a white cover. There should be a prisoner directly in front of the cart. Untie him and rescue him. He will give you the Big Shotgun. Note: The background voice will only say, "Shotgun" and not Big Shotgun. The way you tell if the weapon is big or not is by looking at the letter. If the letter looks like it is coming out of the frame around it, it is a big weapon. For example, "s" is a small shotgun, "S" is a Big Shotgun, "r" is a small rocket launcher, "R" is a Big Rocket Launcher, etc. Some weapons do not have big versions. You can locate the ones that do and the ones that do not by looking at pages 9-10 in the instruction manual.

Hint: Mission 4: Laser gun:
Once you start mission 4, shoot the car that is behind you. You will get the laser gun after it explodes.