Successfully complete the game to raise your partner level to 4 in arcade mode. Complete the game a second time to raise your partner level to 8 in arcade mode.
Chris Redfield
Successfully complete Inferno mission 6 to unlock Chris Redfield with a Linear Launcher with unlimited ammunition in dungeon mode.
Panzerfaust EX
Successfully complete the game in Vs. Roach mode to unlock the Panzerfaust EX in Vs. Roach Mode with unlimited ammunition.
Rodrigo
Successfully complete all the dungeon missions, including Inferno mission 7, to unlock Rodrigo with only a combat knife in dungeon mode.
Secret Report
Collect all the messages in each level to unlock the Secret Report.
Vs. Roach mode
Successfully complete the first mission in dungeon mode.