Metal Slug X (PlayStation)
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Chat mode
Select Combat School and while it is loading, press Square until a menu appears. An instructor will ask if you want to chat with her.
Combat School rankings
Rank Points
Private - 100+
Private 1st Class - 150+
Corporal - 200+
Sergeant - 250+
Staff Sergeant - 300+
Sergeant 1st Class - 350+
Master Sergeant - 400+
Sergeant Major - 425+
Warrant Officer - 450+
Chief Warrant Officer - 475+
2nd Lieutenant - 500+
1st Lieutenant - 550+
Captain - 560+
Major - 575+
Lieutenant Colonel - 600+
Colonel - 650+
Brigadier General - 700+
Major General - 780+
Lieutenant General - 890+
General Of Army - 990+
Super Devil 1000+
Mission select
Complete arcade mission mode to unlock mission select in arcade mission and another mission modes.