Add the command-line parameter "-console" to the shortcut for the
game, then while playing press [TAB] to bring up the console. Type any
of the following codes:

Example: "C:Program FilesTribes Vengeancetribes.exe" -console

Cheat code: Result:
god God Mode
allammo 999 Ammo, 99 Grenades
allweapons All Weapons
stat all Show All Stats
stat FPS Show FPS
stat net Show Network Stats
stat none Turn Off Stats
fov # Field of View (# = 01 to 99)