G Police

Just go into passwords at the begging of the game and enter the mission you want!!

Mission2: UNUBFBA
Mission3: ACLNUYQI
Mission4: OFLENAEA
Mission5: OBSEWZTI
Mission6: WHMLOKVI
Mission7: KXOOFMXI
Mission8: SDJVXWYI
Mission9: KBBJNBMA
Mission10: WLCFQPMA
Mission11: CLGQXANA
Mission12: AGWTIAOA
Mission13: GRAUVWDJ
Mission14: YQJLKBRA
Mission15: YWPZOUSA
Mission16: UYOGZKUA
Mission17: SHGQGOYA
Mission18: KBQMSBPJ
Mission19: MWWHHLSJ
Mission20: KXNJNRHB
Mission21: CVHMJABK
Mission22: QQJONBPB
Mission23: SHGVBPQB
Mission24: YETGUIGK
Mission25: UYTIJXKK
Mission26: KZMEKTMK
Mission27: KPCGCICC
Mission28: KZKUXLUK
Mission29: CZDDORKC
Mission30: AUDYASOC
Mission31: YYUSZATC
Mission32: MOXZALKL
Mission33: KBNNUMXC
Mission34: YAPIRQAD
Mission35: GJCALXDD

ALL WEAPONS + UNLIMITED AMMO:
On the weapons menu hold down L2 + L1 + R1 + R2 + SQUARE + TRIANGLE + CIRCLE then press left, you should hear a sound
 
GOD
On the mission briefing screen do the same as above (hold down L2 + L1 + R1 + R2 + SQUARE +
TRIANGLE + CIRCLE then press left, you should hear a sound)
 
SECRET TRAINING MISSIONS
On the password screen type in "PANTALON"