No missable achievements (plus 43 unknown)
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The first day is always the hardest, except in this case, it's the easiest.
Get 10 kills per second!
Making some progress...
You won that race.
Get 5,000 damage per second!
Green IS good.
Kill 1000+ Zombies!
Construct a turret from scrap metal!
You watched the world burn, and survived. It was kind of cool.
Lots of progress!
Not a wimp.
It didn't taste like chocolate ice cream either...
You didn't donate your organs...
Kill 9,000+ Zombies!
Participate in a multiplayer game.
Your world didn't end!
Don't call me slow!
Quoth the Raven "Nevermore."
Get 15,000 damage per second!
Blood and Flesh can be trusted.
Kill over 1000 zombie dogs!
A jail is an isolated system.
If only he had the body of a horse...
Kill over 1000 zombie crows!
Terror possessed me then!
Vote for Zombie Thomas Jefferson, or don't.
Kill over 1000 crabs!
Get 30 kills per second!
Health is the greatest gift, a close second is BRAINS!
Zombie Napoleon meets his zombie Waterloo!
Derail the Waltz of the Undead!
The army of the undead will march at daybreak!
Voted the greatest zombie of all time!
No 8th symphony for zombie Sibelius!
Abused patience turns to fury!
Collect 100 Power Ups!
The zombie world is independent of our will.
Kill over 1000 zombie eyes!
Construct 100 automated turrets.
Kill 90,000+ Zombies!
Kill 900,000+ Zombies!
Construct 1000 Turrets from random scraps of metal!