Get 100 headshots in one match.

Help your friend in need.

Own atleast 5000$ in one match

Fight your way to round 20.

Get 5 meats in a single game from the fridge.

Kill 15 zombies with a katana, and 25 with saw in one match.

Get promoted to rank 10.

Get promoted to rank 30.

You have played ZKW for an hour.

You have wasted 5 hours of your life.

And still going?

Go see your friends!

Slaughter 5000 zombies in total.

Slaughter 10 000 zombies in total.

Slice 53 zombies in one match.

Encounter all 3 tanks, and get them killed.

Grill 50 zombies with flame in a single match.

Get the GiGaGirlGannon, and kill 10 zombies within 10 seconds.

Get a shotgun, and make 20 zombies crawl in front of you.

Open all areas in a single match.

Get yourself killed with a grenade. Dumbass.

Stand still for 30 seconds, wondering about your life.

Find the fridge and make it disappear. Repeat 3 times.

Zombies are not ment to fly.

Kill the zombie bear before he takes your money.

Survive 4 minutes in Abandoned Hospital. (Challenge mode)

Survive 4 minutes in RedSnow. (Challenge mode)

Survive 4 minutes in Night At The Mall. (Challenge mode)

Survive 4 minutes in Arise. (Challenge mode)

Survive 4 minutes in Area 73. (Challenge mode)

Survive 4 minutes in Homerun. (Challenge mode)