Here is the full list of all 50 Star Trek: Infinite achievements.
Engage in a war with all 4 Major Powers simultaneously.
Hire 10 Nausicaan Leaders.
Contact all types of Support Powers.
Reunite with the Vulcans. (Romulan)
Free a system by sabotaging a starbase.
Defeat the Borg as the Romulan Star Empire.
Recruit Hugh.
Evacuate Romulus before the Supernova. (Romulan)
Assimilate a Puppet State as the Romulan Star Empire.
Choose the less-xenophobic path on the Mission Tree. (Romulan)
Control 5 Puppet States as the Romulan Star Empire.
Complete the Romulan Tradition Tree.
Integrate Bajor. (Cardassian)
Build a starship of the largest possible class.
Have a Gaia-class planet that is home to at least 50 Pops.
Upgrade a starbase to the highest level.
Win a game as the Federation.
Win a game using Civics.
Have 20 colonies at the same time.
Obtain more than 50% of the Balance of Power.
Build the highest tier of capital building.
Fully upgrade the Enterprise. (Federation)
Complete all Mission Tree Nodes for the T.N.G. crew. (Federation)
Research 20 anomalies.
Research 100 Technologies.
Defeat the Borg as the Federation.
Build a Mining or Research Station inside a Hazard.
Help evacuate Romulus. (Federation)
Reach 95% Empire Stability.
Complete the Federation Tradition Tree.
Unlock the U.S.S. Enterprise. (Federation)
Complete 25 Spy Missions.
Win a game as the Cardassian Union.
Win a game as the Klingon Empire.
Win a game as the Romulan Star Empire.
Reach 100% Global Tension.
Have 50 Slave Pops. (Cardassian)
Send 20 gifts.
Defeat the Borg as the Klingon Empire.
Defeat the Borg as the Cardassian Union.
Complete the Klingon Tradition Tree.
Complete the Cardassian Tradition Tree.
Win a game via Points.
Abolish Slavery via the Mission Tree. (Cardassian)
Reject Kahless. (Klingon)
Accept Kahless. (Klingon)
Choose the Warfare path on the Mission Tree. (Federation)
Overthrow a minor power by staging a coup. (Klingon)
Liberate a minor power.
Win a war with the Glory to the Empire war goal. (Klingon)