Outbreak Overlord

10 achievements

Very Rare×4

Rare×2

Common×4

About Outbreak Overlord's achievements

Outbreak Overlord has 10 Steam achievements. The rarest is "Dead Grinder", earned by just 10.0% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

10.0%

of players earned "Dead Grinder"

🗺️ Community guides & walkthroughs

Community Ratings

No ratings yet

Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Outbreak Overlord achievements

10 achievements

Dead Grinder

Throw your first zombie into the meat grinder

Very Rare10.0%

The Last Stand

Complete the fifth mission

Very Rare10.3%

Apocalypse Completed

Finish the game

Very Rare10.3%

Nightmare in the Calm

Complete the fourth mission

Very Rare11.6%

Ruins of the Cure

Complete the third mission

Rare17.4%

End of Science

Destroy your first research center

Rare17.4%

Zombie Barbecue

Step into the fire

Common50.9%

The Vegetarian Feast

Complete the second mission

Common52.5%

The End of Hope

Complete the first mission

Common86.1%

First of Many

Infect your first human

Common95.4%