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Achievements
20None hidden
Average Unlock Rate
30%of owners, per achievement
Rare (Under 5%)
735% of the list
Rarest
1%Madman
Most Common
82%First Blood
By Rarity| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 7 | |
| 5–20% | 0 | |
| 20–50% | 8 | |
| 50% and over | 5 |
All Achievements| # | Achievement | Unlocked |
|---|---|---|
| 1 |  First BloodKill the first zombie. | 82% |
| 2 |  Still SaneSolve your first puzzle. | 73% |
| 3 |  Boom!Kill a monster with a single explosion. | 64% |
| 4 |  EvictedEscape from the residential complex. | 58% |
| 5 |  First ToyCollect your first toy. | 58% |
| 6 |
Share of the game’s Steam owners who unlocked each achievement, checked 28 Oct 2026. Steam counts owners who never played, so rates run low. How we count
Basement MonsterDefeat the boss in the house basement.| 40% |
| 7 |  Kicked OutEscape from the house. | 40% |
| 8 |  Squashed with a SlipperDefeat the boss in the hospital. | 32% |
| 9 |  DischargedEscape from the hospital. | 30% |
| 10 |  Island GuardDefeat the final boss. | 29% |
| 11 |  TeapotComplete the game on Easy difficulty. | 29% |
| 12 |  Middleweight FighterComplete the game on Medium difficulty. | 22% |
| 13 |  Sharp ShooterEarn 3 prizes at the shooting range. | 21% |
| 14 |  ButcherComplete the game on Hardcore difficulty. | 4% |
| 15 |  One Against AllComplete the Horde mode. | 3% |
| 16 |  Second Circle of HellComplete New Game+. | 3% |
| 17 |  No Room for ErrorComplete "Survivor". | 2% |
| 18 |  No Room for a BreakComplete "Survivor" in under 15 minutes. | 2% |
| 19 |  Plush BaronCollect 20 toys. | 1% |
| 20 |  MadmanComplete the game on Ultra Hardcore difficulty. | 1% |
Endless Isolation is a classic first-person Survival Horror in PSX style, where the line between office routine and nightmare is erased forever.
