There are 38 Bronze Trophies, 10 Silver Trophies, 2 Gold Trophies, and 1 Platinum Trophy.
| Unlockable: | How to unlock: |
| ...and Practice (Bronze) | Build a Workshop. |
| A Continental Fellow (Silver) | Win the game from each of the 5 starting locations. |
| Ain't No Cavalry Comin' (Silver) | Have a soldier survive every mission in a full game. |
| All Employees Must Wash Hands... (Bronze) | In a single game, complete every Autopsy. |
| All Together Now (Bronze) | Get satellite coverage over every country on one continent. |
| And Hell's Coming With Me (Bronze) | Successfully assault an Overseer UFO. |
| And So It Begins... (Bronze) | Complete the tutorial mission. |
| Angel of Death (Bronze) | Kill an alien while flying. Single player only. |
| As A Scalpel (Bronze) | Earn the "Excellent" rating in every performance category on a terror mission. |
| Bada Boom (Bronze) | Kill 50 aliens with explosive weapons. |
| Beyond the Veil (Bronze) | Find a soldier with the Gift. |
| Combat Ready (Bronze) | Build an item. |
| Drums in the Deep (Bronze) | Gain access to the lowest level in your base. |
| Earth First (Silver) | Beat the game on Classic difficulty. |
| Edison (Bronze) | In a single game, complete every Research Project. |
| Eye in the Sky (Bronze) | Launch a Satellite. |
| Flight of the Valkyries (Bronze) | Win a mission with an all-female squad. Single player only. |
| Happy to Oblige (Bronze) | Fulfill a Council request. |
| Humanity's Savior (Bronze) | Beat the game on any difficulty. |
| Hunter/Killer (Bronze) | In a single game, shoot down one of each alien craft. |
| Lone Wolf (Silver) | Clear a UFO crash site with one soldier on Classic or Impossible difficulty. |
| Man No More (Bronze) | Build a suit of powered armor. |
| Meet New People. Then Kill Them. (Bronze) | Win a multiplayer match. |
| No Looking Back (Gold) | Beat the game in Ironman mode on Classic or Impossible difficulty. |
| Off My Planet (Silver) | Recover the Hyperwave Beacon. |
| On the Shoulders of Giants (Bronze) | Build the Gollop Chamber. |
| One Gun at a Time (Bronze) | Staff the Engineering Department with 80 engineers. |
| Oppenheimer (Bronze) | Staff the Research Labs with 80 scientists. |
| Our Finest Hour (Gold) | Beat the game on Impossible difficulty. |
| Pale Horse (Silver) | Kill 500 aliens. |
| Poison Control (Bronze) | Cure poison on five soldiers in a single mission. Single player only. |
| Prisoner of War (Bronze) | Capture a live alien. |
| Ride the Lightning (Bronze) | Build a Firestorm. |
| See All, Know All (Bronze) | Build the Hyperwave Relay. |
| Shooting Stars (Silver) | Shoot down 40 UFOs. |
| Skunkworks (Bronze) | In a single game, complete every Foundry project. |
| Tables Turned (Bronze) | Shoot down a UFO. |
| The Gatekeeper (Bronze) | Stun an Outsider. |
| The Hardest Road (Silver) | Advance one of your soldiers to Colonel rank. |
| The Volunteer (Bronze) | Make contact with the Ethereal hive mind. |
| Theory... (Bronze) | Build a Laboratory. |
| Up and Running (Bronze) | Build a base facility. |
| We Happy Few (Bronze) | Complete a mission without losing a soldier. |
| Welcoming Committee (Bronze) | Kill 150 aliens. |
| Wet Work (Silver) | Complete a Very Difficult abduction mission in five turns or less on Classic or Impossible difficulty. |
| What Wonders Await (Bronze) | Complete a Research Project. |
| Worth Every Penny (Bronze) | Acquire 1000 credits in one month. |
| X Marks the Spot (Bronze) | Uncover the alien base's location. |
| Xavier (Silver) | Mind Control an Ethereal. Single player only. |
| You Have 5 Seconds to Comply (Bronze) | Build a S.H.I.V |
| You Win (Platinum) | Gain all trophies. |