Index: Chat mode Combat School rankings Mission select  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. You must be a registered member (free) to rate the status of this cheat.  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+ Game Shark Codes Infinite Lives 80047522 2400 Infinite Bombs 800398BE 2400 Infinite Arms Ammo 8002DCE6 2400 Infinite Time 8002962A 2400 Infinite Vehicle Health 80053F7E 2400 Invisible P1 800CA30C 0068 Extra Prisoners P1 800879EC 00FF Max Score P1 800EE290 FFFF Invisible P2 800CA458 0068 Extra Prisoners P2 800879F0 00FF Max Score P2 800EE298 FFFF You must be a registered member (free) to rate the status of this cheat.  Mission select Successfully complete arcade mission mode to unlock mission select in arcade mission and another mission modes. -From: Olikong@aol.com You must be a registered member (free) to rate the status of this cheat. Game page for Metal Slug X