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