| Name | Description | Gamerscore |
| Awake | Complete the first mission | 10 |
| A Record of Disaster | Collect an archive log | 10 |
| Build to Survive | Construct an item | 5 |
| Light 'em Up | Use the Flamethrower | 10 |
| Welcome to Sevastopol | Complete the second mission | 10 |
| A Hunt Begins | Complete the third mission | 10 |
| You Shouldn't Be There. | Complete the fourth mission | 10 |
| How Do You Feel? | Complete the fifth mission | 10 |
| Caught In the Trap | Complete the sixth mission | 10 |
| An Outpost of Progress | Complete the seventh mission | 10 |
| Bait | Complete the tenth mission | 10 |
| Hazard Containment | Complete the eleventh mission | 10 |
| A Synthetic Solution | Complete the twelfth mission | 10 |
| Consultation | Complete the thirteenth mission | 10 |
| Throwing the Switch | Complete the fourteenth mission | 10 |
| The Message | Complete the fifteenth mission | 10 |
| Transmission | Complete the sixteenth mission | 10 |
| Free the Torrens | Complete the seventeenth mission | 10 |
| End of the Hunt | Complete the eighteenth mission | 10 |
| Shock to the System | Use the Stun Baton | 10 |
| Survivor | Completed the game on the hardest difficulty setting. | 100 |
| Ripley, Signing Off | Completed the game on any difficulty setting. | 50 |
| Just Out of Reach | Contact your team and escaped Comms without being attacked by an android | 40 |
| Use With Caution... | Use the Shotgun | 10 |
| Every Bullet Counts | Use the Revolver | 10 |
| Not a Scratch | Escape from android combat without taking damage | 20 |
| Secret Achievement | Continue playing to unlock this achievement. | 20 |
| A Perfect Organism | Encountered the Alien in Sevastopol for the first time | 10 |
| Secret Achievement | Continue playing to unlock this achievement. | 10 |
| Secret Achievement | Continue playing to unlock this achievement. | 10 |
| Mercy or Prudence? | Completed the game without killing any humans | 50 |
| Secret Achievement | Continue playing to unlock this achievement. | 20 |
| Hide. Run. Survive. | Complete the fifth mission without being killed by the Alien | 40 |
| Secret Achievement | Continue playing to unlock this achievement. | 10 |
| One Shot | Completed the game without dying | 100 |
| This Should Work | Use the Bolt Gun | 10 |
| My Turn Now | Kill an android using only the maintenance jack | 40 |
| Fault Detected | Kill an android | 20 |
| Self Defense | Kill 10 Humans | 10 |
| Seegson Security Bypass | Perform 10 successful hacks | 10 |
| Seegson Systems Expert | Complete 10 minigames successfully | 10 |
| Power Games | Access 10 different rewire points | 10 |
| She's in the Vents... | Use the vent system 20 times | 20 |
| I Admire its Purity | Detect 30 targets with the motion tracker | 20 |
| The Missing | Collect an ID tag | 10 |
| The Taken | Collect all ID Tags | 40 |
| Archivist | Collect 10 Nostromo logs in the main campaign | 40 |
| Voices of Sevastopol | Collect 100 archive logs | 40 |
| A True Engineer | Construct one of each craftable item | 20 |
| Secret Achievement | Continue playing to unlock this achievement. | 5 |
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
Underpowered and underprepared, you must scavenge resources, improvise solutions and use your wits, not just to succeed in your mission, but to simply stay alive.
Alien: Isolation (Win 10) is developed by Lab42 and published by SEGA.