Secret Heroes
There are four secret heroes that we can create in the game. In the barracks, choose a soldier, then the customize option, and change its name to one of these to get the hero. These heroes have large statistics.
Note: Use the trick deactivates win the trophies.
Joe Kelly (heavy): Joe Kelly introduces as a name.Ken Levine (sniper): introduces Ken Levine as a name.Otto Zander (Assault): introduces Otto Zander as a name.Sid Meier (support): introduces Sid Meier as a name.
XBOX LIVE XCOM achievements: Enemy Unknown
| No return | The game ends in the iron man mode at the level of classic or impossible difficulty. | 100 |
| Our best time | The game ends at the impossible difficulty level. | 90 |
| The Earth first | The game ends at the classic difficulty level. | 60 |
| Bayo horse | Kill 500 aliens. | fifty |
| Cavalry does not arrive here | Make the same soldier survives on each mission throughout a game. | fifty |
| A cosmopolitan type | Win the game from each of the five possible initial places. | fifty |
| Shooting Stars | Brink 40 UFO. | 35 |
| Savior of Humanity | The game ends in any difficulty. | 30 |
| New dragon | Take your new ally to the final challenge. | 30 |
| All aboard | Complete disconcert light with more than 3 spin -over in the timer. | 30 |
| Know people and mátala | Win a multiplayer game. | 25 |
| Surgical precision | Get an “excellent” note in each category of a horror mission. | 25 |
| Edison | Complete all research projects in a single game. | 25 |
| Out of my planet | Recover the hyperate beacon. | 25 |
| lonely wolf | Clears the place of falling a UFO with a soldier at the level of classic or impossible difficulty. | twenty |
| Committeeé of welcoming | Kill 150 aliens. | twenty |
| Until the last penny | Win 1.000 créditos in a month. | twenty |
| Oppenheimer | Provide your research laboratories of 80 scientists. | twenty |
| A cañón after another | Gives the 80 engineers engineering department. | twenty |
| Special team | Complete all projects of the foundry in the same game. | twenty |
| The bigger they are | Complete iron. | twenty |
| Hunter Killer | T demad down an alien ship of each type in the same game. | fifteen |
| Your wishes are orders | Attend an application for the Council. | fifteen |
| And so everything begins… | Complete the tutorial mission. | fifteen |
| Xavier | Mentally control an etéconvict. Only a player’s games. | 10 |
| Bum Bum! | Kill 50 aliens with explosive weapons. | 10 |
| Angel of Death | Kill an alien while you fly. Only a player’s games. | 10 |
| Wash all hands… | Complete all autopsies in the same game. | 10 |
| After the veil | Find a soldier with the gift. | 10 |
| War prisoner | Capture a living alien. | 10 |
| The vigilant | Stun an intruder. | 10 |
| The X marks the place | Find the alien base. | 10 |
| Look everything, know everything | Build the Hipper Link. | 10 |
| On giant shoulders | Build the Gollop camera. | 10 |
| Ride lightning | Build a Firestorm. | 10 |
| Now all together | Offers SAT coverageélite all countries of a continent. | 10 |
| Something more than a man | Manufactures enhanced armor. | 10 |
| Poison control | Cure five poisoned soldiers on the same mission. Only a player’s games. | 10 |
| We few, happy few | Complete a mission without losing any soldier. | 10 |
| The toughest path | Make one of your soldiers reach the colonel range. | 10 |
| I give him 5 seconds | Build a visp. | 10 |
| Theory… | Build a laboratory. | 10 |
| … and practice | Build a workshop. | 10 |
| Delicate work | Complete a very difficult abduction mission in five shifts or less with a classic/impossible level. | 10 |
| Drums of the depths | Access the lowest level of your base. | 10 |
| And hell comes with me | Assaults with éxito a supervisor UFO. | 10 |
| The turns change | Brink a UFO. | 10 |
| The volunteer | Come into contact with Colmena et’s mindéREA. | 10 |
| THE FLIGHT OF THE VALQUIAS | Win a mission with a platoon formed only by women. Only a player’s games. | 10 |
| New friend | Complete friends in the low funds. | 10 |
| Bait in the hook | Complete disconcerting light. | 10 |
| View from heaven | Sate SATélite. | 5 |
| The wonders that await us | Complete a research project. | 5 |
| On going | Build an installation. | 5 |
| Combat ready | Build an article. | 5 |
Achievements
5g
Ready for Combat: Build an article. View from heaven: throw a satellite. Underway: Build an installation. The wonders that await us: Complete a research project.
10g
… and practice: build a workshop. Wash all hands …: Complete all autopsies in the same game. Now together: it offers satellite coverage to all countries of a continent. And hell comes with me: a supervisor UFO successfully assaults. Death Angel: Kill an alien while you fly. Only a player’s games. bum Bum!: Kill 50 aliens with explosive weapons. After the veil: find a soldier with the gift. Depth drums: access the lowest level of your base. The flight of the Valquirias: wins a mission with a platoon formed only by women. Only a player’s games. Something more than a man: manufactures a enhanced armor. On giant shoulders: Build the Gollop camera. Poison control: cure five poisoned soldiers on the same mission. Only a player’s games. War prisoner: captures a living alien. RELEASE THE LIGHT: BUILD A FIRESTORM. Look everything, know everything: build the hyperoanda link. The shifts change: demolishes a UFO. The Vigilante: stuns an intruder. The hardest way: make one of your soldiers reach the rank of colonel. The volunteer: comes into contact with the mind of ethereal hive. Theory …: Build a laboratory. We, happy few: complete a mission without losing any soldier. Delicate work: Complete a very difficult level abduction mission in five shifts or less at the classic or impossible level of difficulty. The X marks the place: find the alien base. Xavier: mentally controls an ethereal. Only a player’s games. I give you 5 seconds: build a visp.
15g
And so everything begins …: Complete the tutorial mission. His wishes are orders: he attends a board request. Hunter/murderer: demolishes an alien ship of each type in the same game.
20g
Lonely wolf: clears the place of falling a UFO with a soldier at the classic or impossible level of difficulty. One sack after another: gives the 80 engineers engineering department. Oppenheimer: give your research laboratories of 80 scientists. SPECIAL TEAM: Complete all projects of the foundry in the same game. Welcome Committee: Kills 150 aliens. Until the last penny: Win 1.000 credits in a month.
25g
Surgical precision: Get an “excellent” note in each category of a horror mission. Edison: Complete all research projects in a single game. Know people and kill it: wins a multiplayer game. Out of my planet: Recover the hyperonda beacon.
30g
Savior of Humanity: the game ends in any difficulty.
35g
Fleeting stars: demolishes 40 UFO.
50g
A cosmopolitan type: wins the game from each of the five possible initial places. The cavalry does not arrive here: Make the same soldier survives on each mission during a whole game. Bayo horse: Kill 500 aliens.
60g
The Earth First: the game ends at the classic difficulty level.
90g
Our best time: the game ends at the impossible difficulty level.
100g
No return: the game ends in the iron man mode at the level of classic or impossible difficulty.