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Playstation 2 - Gun Survivor 2 - Biohazard cheats

Unlock Rodrigo with knife:
Finish all the dungeon missions, including Inferno mission seven

Unlock secret report
Collect every messages in every level

Unlock Chris Redfield with Linear Launcher infinite ammo
Finish the Inferno mission 6

Better partner in arcade mode:
Finsh the game to raise your partner level to 4.
Finish the game twice to double (8) your partner level.

Vs. Roach mode
Finish the first mission in dungeon mode

Panzerfaust EX infinite ammunition:
Finish the entire game in vs. Roach mode