Here is the full list of all 31 Zombie Kill of the Week - there are Reborn achievements.
Go see your friends!
Help your friend in need.
And still going?
Get promoted to rank 30.
Get 5 meats in a single game from the fridge.
You have wasted 5 hours of your life.
Own atleast 5000$ in one match
Find the fridge and make it disappear. Repeat 3 times.
Encounter all 3 tanks, and get them killed.
Get a shotgun, and make 20 zombies crawl in front of you.
Slice 53 zombies in one match.
Get yourself killed with a grenade. Dumbass.
Grill 50 zombies with flame in a single match.
Open all areas in a single match.
Kill 15 zombies with a katana, and 25 with saw in one match.
Slaughter 10 000 zombies in total.
Survive 4 minutes in Area 73. (Challenge mode)
Survive 4 minutes in Arise. (Challenge mode)
Survive 4 minutes in Night At The Mall. (Challenge mode)
Survive 4 minutes in Homerun. (Challenge mode)
Survive 4 minutes in RedSnow. (Challenge mode)
Slaughter 5000 zombies in total.
Survive 4 minutes in Abandoned Hospital. (Challenge mode)
Fight your way to round 20.
You have played ZKW for an hour.
Get the GiGaGirlGannon, and kill 10 zombies within 10 seconds.
Stand still for 30 seconds, wondering about your life.
Get promoted to rank 10.
Kill the zombie bear before he takes your money.
Get 100 headshots in one match.
Zombies are not ment to fly.