Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement | How to unlock
|
---|
- A Hunt Begins (10 points)
| - Complete the third mission.
|
- A Perfect Organism (10 points)
| - Encounter the Alien in Sevastopol for the first time.
|
- A Record of Disaster (10 points)
| |
- A Synthetic Solution (10 points)
| - Complete the twelfth mission.
|
- A True Engineer (20 points)
| - Construct one of each craftable item.
|
- An Outpost of Progress (10 points)
| - Complete the seventh mission.
|
| - Collect all Nostromo logs.
|
| - Complete the first mission.
|
| - Complete the tenth mission.
|
- Build to Survive (5 points)
| |
- Caught in the Trap (10 points)
| - Complete the sixth mission.
|
| - Complete the thirteenth mission.
|
- End of the Hunt (10 points)
| - Complete the eighteenth mission.
|
- Every Bullet Counts (10 points)
| |
- Fault Detected (20 points)
| |
- Free the Torrens (10 points)
| - Complete the seventeenth mission.
|
- Hazard Containment (10 points)
| - Complete the eleventh mission.
|
- Hide. Run. Survive. (40 points)
| - Complete the fifth mission without being killed by the Alien.
|
- How Do You Feel? (10 points)
| - Complete the fifth mission.
|
- I Admire its Purity (20 points)
| - Detect 30 targets with the motion tracker.
|
- Just out of Reach (40 points)
| - Contact your team and escape Comms without being attacked by an android.
|
| |
- Mercy or Prudence? (50 points)
| - Complete the game without killing any humans.
|
| - Kill an android using only the maintenance jack.
|
- Not a Scratch (20 points)
| - Escape from android combat without taking damage.
|
| - Complete the game without dying.
|
| - Access 10 different rewire points.
|
- Ripley, Signing Off (50 points)
| - Complete the game on any difficulty setting.
|
- Seegson Security Bypass (10 points)
| - Perform 10 successful hacks.
|
- Seegson Systems Expert (10 points)
| - Complete 10 minigames successfully.
|
| |
- She's in the Vents... (20 points)
| - Use the vent system 20 times.
|
- Shock to the System (10 points)
| |
| - Complete the game on the hardest difficulty setting.
|
| - Complete the fifteenth mission.
|
| |
| |
- This Should Work (10 points)
| |
- Throwing the Switch (10 points)
| - Complete the fourteenth mission.
|
| - Complete the sixteenth mission.
|
- Use With Caution... (10 points)
| |
- Voices of Sevastopol (40 points)
| - Collect 100 archive logs.
|
- Welcome to Sevastopol (10 points)
| - Complete the second mission.
|
- You Shouldn't Be There. (10 points)
| - Complete the fourth mission.
|