Alien Front Online - Platform: Dreamcast

Fog mode
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Start a new game and enter FOGFOGFOG as a name. 

Unlock all Tactics Stages 
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Create a new character and name it %l2I?Il (%,lowercase 
L,2,uppercase i,?,uppercase i, and lowercase l). 
Now all the Alien and Army campaign missions will be 
unlocked as well as the bonus missions. 

GameShark Codes: 
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[M] Must Be First         - 9C5D88F8 
Press L&R For Instant Win - A79D87710000FFFC 
                            CCFAE1EA00000063 
                            A79D87710000FFFC 
                            8CEC6CB500000063 
                            A79D87710000FFFC 
                            6A8DF07D00000063 
                            A79D87710000FFFC 
                            ECE87F5900000063 
[M] Must Be Last = 245EECA9