*There are 15 secret achievements. show
Achievement Description Value ...and Practice Build a Workshop. 10 A Continental Fellow Win the game from each of the 5 starting locations. 50 Ain't No Cavalry Comin' Have a soldier survive every mission in a full game. 50 All Employees Must Wash Hands... In a single game, complete every Autopsy. 10 All Together Now Get satellite coverage over every country on one continent. 10 And Hell's Coming With Me (secret) Successfully assault an Overseer UFO. 10 And So It Begins... Complete the tutorial mission. 15 Angel of Death (secret) Kill an alien while flying. Single player only. 10 As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission. 25 Bada Boom Kill 50 aliens with explosive weapons. 10 Beyond the Veil (secret) Find a soldier with the Gift. 10 Combat Ready Build an item. 5 Drums in the Deep Gain access to the lowest level in your base. 10 Earth First Beat the game on Classic difficulty. 60 Edison In a single game, complete every Research Project. 25 Eye in the Sky Launch a Satellite. 5 Flight of the Valkyries (secret) Win a mission with an all-female squad. Single player only. 10 Happy to Oblige Fulfill a Council request. 15 Humanity's Savior Beat the game on any difficulty. 30 Hunter/Killer In a single game, shoot down one of each alien craft. 15 Lone Wolf Clear a UFO crash site with one soldier on Classic or Impossible difficulty. 20 Man No More Build a suit of powered armor. 10 Meet New People. Then Kill Them. (secret) Win a multiplayer match. 25 No Looking Back Beat the game in Ironman mode on Classic or Impossible difficulty. 100 Off My Planet (secret) Recover the Hyperwave Beacon. 25 On the Shoulders of Giants (secret) Build the Gollop Chamber. 10 One Gun at a Time Staff the Engineering Department with 80 engineers 20 Oppenheimer Staff the Research Labs with 80 scientists. 20 Our Finest Hour Beat the game on Impossible difficulty. 90 Pale Horse Kill 500 aliens. 50 Poison Control (secret) Cure poison on five soldiers in a single mission. Single player only. 10 Prisoner of War (secret) Capture a live alien. 10 Ride the Lightning (secret) Build a Firestorm. 10 See All, Know All (secret) Build the Hyperwave Relay. 10 Shooting Stars Shoot down 40 UFOs. 35 Skunkworks In a single game, complete every Foundry project. 20 Tables Turned Shoot down a UFO. 10 The Gatekeeper (secret) Stun an Outsider. 10 The Hardest Road Advance one of your soldiers to Colonel rank. 10 The Volunteer (secret) Make contact with the Ethereal hive mind. 10 Theory... Build a Laboratory. 10 Up and Running Build a base facility. 5 We Happy Few Complete a mission without losing a soldier. 10 Welcoming Committee Kill 150 aliens. 20 Wet Work Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty. 10 What Wonders Await Complete a Research Project. 5 Worth Every Penny Acquire 1000 credits in one month. 20 X Marks the Spot (secret) Uncover the alien base's location. 10 Xavier (secret) Mind Control an Ethereal. Single player only. 10 You Have 5 Seconds to Comply Build a S.H.I.V. 10
Contributed By: Guard Master.
Special Hero Units *updated*
By manually changing the name(s) of your soldiers in the barracks, you can give them added bonuses and abilities, Please note this only works on Rookies, not any other promoted soldier: - Sid Meier (Support) - Otto Zander (Assault) - Joe Kelly (Heavy) - Ken Levine (Sniper) WARNING: Using this name-enhancing easter-egg/secret will disable Achievements.
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