Cookies on Acheev

We use cookies and similar technologies for the things below. You can accept all, reject everything except what's essential, or pick what you're OK with.

Improvement
Anonymous usage measurement so we can fix bugs and prioritise work.

Read our cookies policy and the privacy policy. California residents: Do Not Sell or Share My Personal Information.

Loading…
logo
Sign in
Operation: Outbreak cover

Operation: Outbreak

Achievement guide · roadmap · tracker

Your squad's vehicle exploded during a patrol, and you're the only survivor. The enemy is unusual this time. A virus has turned the city into a warzone of the undead. Get to the exfil in time or die trying. A free-to-play short and intense FPS zombie survival horror game.

Shooter Action Horror Survival
2025 1 achievements Guide 0%
1 achievements
FRESH MEAT

FRESH MEAT

Your journey ends. Their dinner begins.

Steam

Track your progress

Sign in with Steam or Xbox to mark off unlocks, filter what's left and showcase your 100%s.

  • Live unlock status per achievement
  • Hide-unlocked filter
  • 100% showcase on your profile
Sign in
Help improve this guide
Sign in to request a guide