Star Trek: D-A-C Cheats

Kobayashi Maru Cheat
When a match begins, press Start and enter this code: Left Trigger, Y, X, X, Y, Right Trigger. This will quadruple your ship's rate of fire and regeneration rate. You won't be invincible, however. If your ship is destroyed, you will revert back to normal. Also, entering this code for the first time unlocks the Kobayashi Maru Achievement (20G).

At the beginning of a match, press Start, then press Left Trigger, Y, X, X, Y, Right Trigger: Kobayashi Maru Cheat - Quadruples rate of fire and regeneration rate, unlocks Achievement (20G).

Achievements
Complete each achievement to get the allotted gamerscore.

Academy Graduate (5): Earn 1 kill with each ship class
Born Leader (15): Capture all 4 points in a single Assault match
Bridge Commander (15): Earn 250 cumulative kills in Team Deathmatch
Imperial Instincts (10): Earn 25 cumulative point captures in Conquest
Kobayashi Maru (20): Some achievements are unachievable... unless you cheat
Mirror, Mirror (10): Capture a point with the aid of your own wingman
NCC-1701 (20): Earn 250,000 points as the Flagship class in one Team Deathmatch game
Nero’s Rage (25): Destroy 3 enemies while using a single invulnerability powerup
No Mercy (20): Earn 50 cumulative Escape Pod kills
Red Shirt (5): Be the first to die in a Versus multiplayer match
Starfleet Medal of Honor (30): No deaths or ejections, plus at least 15 kills, in a single match
Vulcan Wisdom (25): Don’t die or shoot, yet capture 3 points (including the enemy base) in a Conquest match