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