Here is the full list of all 21 SurrounDead achievements.
Take out 5000 zombies with one character.
Take out 200 animals.
Traverse for 100km with one character.
Take out 50 animals.
Take out 100 human survivors with one character.
Take out 500 zombies with one character.
Break a bone from a high fall.
**REDACTED**
Take out 10 zombies bosses.
Gain access to a hidden secure laboratory.
Traverse for 10km with one character.
Gain access to a secure area.
Take out a zombie boss.
Catch a fish.
Cause the death of your player.
Take out a human survivor.
Find & drive a vehicle.
Use a medical item on the player.
Place down a buildable.
Play 'Survival'.
Play SurrounDead during Early Access release.