Action
Alien: Isolation
Give it 15 hours
Gets good by 15h then rated almost like by veterans
Fully opens up by 20h rated like by long-time players
Reach the ending 22% of players who started
Started playing 93% of owners
Steam reviews 93% positive of 67,240
What the data shows
- In the first 2 hours 1 in 5 reviews are negative (20%); after 20h it's 1 in 35 (3%).
- Fully opens up by hour 20.
- 22% of players who start reach the ending.
- The biggest drop-off is between “Awake” (Complete the first mission) and “Welcome to Sevastopol” (Complete the second mission): from 96% to 74% of starters.
- 93% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 67,599 Steam reviews in every language. Median playtime in a sample of 297 reviews: 18.1h for positive, 7.4h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (92.9% of owners), so people who bought the game and never launched it don't count.
- Started playing 100%
- Awake Complete the first mission 96% −4
- Welcome to Sevastopol Complete the second mission Most players quit here 74% −22
- A Hunt Begins Complete the third mission 56% −17
- You Shouldn't Be There. Complete the fourth mission 45% −11
- How Do You Feel? Complete the fifth mission 36% −9
- Caught in the Trap Complete the sixth mission 31% −5
- An Outpost of Progress Complete the seventh mission 30% −1
- Bait Complete the tenth mission 26% −4
- Hazard Containment Complete the eleventh mission 25% −1
- A Synthetic Solution Complete the twelfth mission 25%
- Consultation Complete the thirteenth mission 24%
- Throwing the Switch Complete the fourteenth mission 23% −1
- The Message Complete the fifteenth mission 23%
- Transmission Complete the sixteenth mission 22%
- Free the Torrens Complete the seventeenth mission 22% −1
- End of the Hunt Complete the eighteenth mission 22%
story milestone ending biggest drop-off
Story milestones were labeled by AI from achievement names and descriptions; mistakes are possible.
All achievements (50)
story milestone ending side
- A Record of Disaster Collect an archive log 100%
- Awake Complete the first mission 96%
- The Missing Collect an ID tag 78%
- Build to Survive Construct an item 78%
- Welcome to Sevastopol Complete the second mission 74%
- A Perfect Organism Encounter the Alien in Sevastopol for the first time 63%
- A Hunt Begins Complete the third mission 56%
- Every Bullet Counts Use the revolver 54%
- She's in the Vents... Use the vent system 20 times 53%
- Fault Detected Kill an Android 50%
- Not a Scratch Escape from android combat without taking damage 48%
- You Shouldn't Be There. Complete the fourth mission 45%
- Power Games Access 10 different rewire points 37%
- How Do You Feel? Complete the fifth mission 36%
- Light 'em Up Use the flamethrower 34%
- Back Off Cause the Alien to retreat by using the flamethrower 32%
- Stunned Knock down a human or stun an android with a non-lethal attack 31%
- Shock to the System Use the stun baton 31%
- Caught in the Trap Complete the sixth mission 31%
- Seegson Security Bypass Perform 10 successful hacks 30%
- An Outpost of Progress Complete the seventh mission 30%
- I Admire its Purity Detect 30 targets with the motion tracker 29%
- Not the First Turn off the beacon 29%
- Use With Caution… Use the shotgun 26%
- Bait Complete the tenth mission 26%
- Self Defense Kill 10 humans 25%
- Hazard Containment Complete the eleventh mission 25%
- A Synthetic Solution Complete the twelfth mission 25%
- Consultation Complete the thirteenth mission 24%
- This Should Work Use the bolt gun 24%
- Throwing the Switch Complete the fourteenth mission 23%
- Seegson Systems Expert Complete 10 minigames successfully 23%
- The Message Complete the fifteenth mission 23%
- Transmission Complete the sixteenth mission 22%
- Ripley, Signing Off Complete the game on any difficulty setting 22%
- Free the Torrens Complete the seventeenth mission 22%
- End of the Hunt Complete the eighteenth mission 22%
- Voices of Sevastopol Collect 100 archive logs 20%
- A True Engineer Construct one of each craftable item 20%
- Retreat From Fire Cause the Alien to retreat using a molotov 19%
- My Turn Now Kill an android using only the maintenance jack 11%
- Hide. Run. Survive. Complete the fifth mission without being killed by the Alien 9.9%
- Survivor Complete the game on the hardest difficulty setting 8.7%
- Just out of Reach Contact your team and escape Comms without being attacked by an android 7.9%
- Mind Your Step Navigate Reactor Maintenance without dying 7.4%
- 100 Times Too Many Get killed by the Alien 100 times 4.3%
- Mercy or Prudence? Complete the game without killing any humans 3.1%
- Archivist Collect 10 Nostromo logs in the main campaign 2.6%
- The Taken Collect all ID tags 2.3%
- One Shot Complete the game without dying 2.0%
Steam page Updated: 2026-10-18.