Complete Soviet mission 2 on any difficulty level

Have all three survival bonuses activated at the same time in an online game 10 times.

Last 30 seconds with 50+ zombies on fire.

Complete Zombie Academy.

Kill an enemy with an explosive that also damages you. "That's gonna hurt me more than it hurts you. Well...maybe not quite as much."

Defeat General Neutronov. "From Hazard, With Love."

Score 50 headshots. "That's using your head!"

Complete a level without dying. "Eight million corpses in this level...and you're not one of them."

Defeat five enemies in a row using melee combat. "Not as fast as shooting...but it sure is satisfying."

Score 20 headshots. "A shot in the head is worth two in the chest."

Complete all of the in-game tutorials. "Like I had any choice..."

Start your first game. "Thanks for buying my game. I'm sure you'll enjoy it. --Sincerely, Matt Hazard"