Invincibility: 

While playing, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A. You 
will be invincible. Enter this code again to deactivate the cheat. 

Laser Trail Code:

During gameplay, press UP, DOWN, UP, DOWN, R-CLICK, R-CLICK. Your weapons 
will shoot blue laser trails, and enemy weapons will shoot red laser trails. 



Old City And Import-Export On Team DM:

When playing online, it is possible to play Old City and Import/Export during Team 
Survival. 

Go to the main menu screen

Select Create Match

Go to GAME TYPE and select Mission

Then hit Next

Highlight Old City or Import-Export and back out by hitting B.

Now push up and accept the choice. You should now be on the screen where you 
can change your GAME TYPE. Go to GAME TYPE and select Team Survival. Scroll 
down and change the number of players to what you want. Click on NEXT at the 
bottom of the page. Highlight the same map you picked before (Old City or 
Import/Export) and select it. 

WARNING - When you start the match, everybody will be inside each other 
because everyone spawns int the exact same place. Before you start the match, 
decide which team goes first and give them at least a 20-30 second head start, 
and after the match, the other team gets the head start.