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DeadOS is an early access zombie outbreak simulator by Benn Powell that focuses on city-wide scenarios where you have access to fully customize your apocalypse experience from beginning to end. Simulation. Sandbox. Survival!

Achievements
8None hidden
Average Unlock Rate
32%of owners, per achievement
Rare (Under 5%)
00% of the list
Rarest
13%I Am In Charge Here
Most Common
68%Establishing Battlefield Control
| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 0 | |
| 5–20% | 4 | |
| 20–50% | 2 | |
| 50% and over | 2 |
| # | Achievement | Unlocked |
|---|---|---|
| 1 | Establishing Battlefield ControlTake manual control of a unit. | 68% |
| 2 | Reinforcements Have ArrivedCall in military reinforcements. | 65% |
| 3 | Summoning The HordesManually override and direct the zombie hordes. | 35% |
| 4 | And Now We Have a Rather Unfortunate Turn of EventsDestroy the city using a nuke. | 29% |
| 5 | We've Got HostilesHave the military wipe out every remaining unit, infected or otherwise. | 19% |
| 6 | ![]() |
Share of the game’s Steam owners who unlocked each achievement, checked 24 Oct 2026. Steam counts owners who never played, so rates run low. How we count
| 16% |
| 7 | Now I Have a Machine GunArm yourself while manually controlling a civilian. | 15% |
| 8 | I Am In Charge HereManually assign quarantine zones for the police. | 13% |