Star Trek: Tactical Assault - Cheat mode

Mission select:
At the main menu, press Up, Down, Left, Right, Select, Start2 to unlock all
missions. You can switch missions at the briefing screen.

All ships available in all missions:
At the main menu, press Up, Down, Left, Right, Select, Start, B to unlock all ships available in all missions.

All ships in Skirmish and Multi-player modes:
At the main menu, press Up, Down, Left, Right, Select, Start, Y to unlock all ships in Skirmish and Multi-player modes.

Klingon campaign:
At the main menu, press Up, Down, Left, Right, Select, Start, X to unlock the Klingon campaign.

Extra crew upgrades:
At the main menu, press Up, Down, Left, Right, Select, Start, Select. You will get 5 promotion points that can be used at the crew screen.

Unlock all missions:
At the main menu, press Up, Down, Left, Right, Select, Start, Start.