Full list of all 36 Star Trek: Legacy achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Complete the Tutorial Mission.
Complete all missions in the Enterprise era.
Complete all missions in the TOS era.
Complete the single player campaign on "Ensign" difficulty.
Complete the single player campaign on "Captain" difficulty.
Complete the single player campaign on "Admiral" difficulty.
Complete the Enterprise era without losing a single ship.
Complete the Original Series era without losing a single ship.
Complete the Next Generation era without losing a single ship.
Protect all the medical ships in "Be My Shepherd".
Keep the poisonous spore count low during "Poisoned Well".
During "Stirring the Hive", knockout as many of the enemy fleet as you can in one blow...
Complete mission objectives in "The Squeeze" without the aid of starbases. You maverick renegade.
Secure all enemy strongholds in "The Squeeze".
Complete "The Squeeze" without spilling any blood…
Complete "Behind Enemy lines" unscathed...
Never hide from your enemy in "Behind Enemy Lines".
Don't allow your allies to perish in "FireStorm".
Roll like a wave of destruction through the Kathra system…
All allies must survive in "At the Gates".
Strike only at the heart of the enemy in "Omega".
Save the sensor relays in "Revelations".
Spill no blood in "Ambush".
Take a swing at the bully in "Anger and Mercy"…
Protect your ward in "Anger and Mercy".
Be a team player in "Generals".
Complete the final mission without the use of support craft.
Start a mission in the Next Generation era with a fleet containing a Enterprise era ship.
Deliver the killing blow to more than one ship with a single torpedo.
Unlock the USS Legacy.
Test your mettle in battle against opponents.
Send 10 Klingon vessels to Sto'Vo'Kor in one online match.
Destroy 10 Romulan ships in one online battle… if you can find them.
Eradicate 10 Borg ships in a single online match.
Destroy 10 Federation ships in a single online battle.
Be the first to go down in a 4 fleet multiplayer game.