No missable achievements (plus 53 unknown)
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Created a combo weapon. Introduce it to the nearest zombie!
Killed 500 zombies. Not a bad start.
Changed into 10 different pieces of clothing. Looking dapper, chap!
Mixed a drink. Tasty stuff!
Revived another player in Co-op mode. He owes you one.
Saved 10 survivors. But more are still out there...
Defeated 5 psychopaths. There's a new sheriff in town!
Gave Katey a gift. It's good to spoil her sometimes.
Reached level 25. Halfway there!
Collected 25 combo cards. So many combinations, so little time.
Defeated 10 psychopaths. The world is a safer place.
Completed "The Facts." The End... or is it?
Collected all combo cards from psychopaths. Pried from their cold, dead fingers.
Completed Overtime Mode. TK got what he deserved.
Tamed Snowflake. Keep some steak handy, just in case.
Reached level 50. You're a machine!
Killed 5,000 zombies. Is that all you've got?
Killed 1,000 zombies while riding a motorcycle. Chainsaws on the side make it easier.
Used every type of firearm on a zombie. Bang!
Saved 50 survivors. What a great guy!
Had 10 zombies with masks on at once. You showed them who's boss!
Escorted 8 survivors at once. It's a party, everyone is invited!
Gave your bike a custom paint job. Sweet ride!
Solved all case files in Co-op mode. You're a great friend!
Gave Katey every possible gift. Bribery is the fastest way to earn a child's love!
Spent $6,000,000 total in Fortune City. Where did you get all that money?
Came in first place in a single TIR event. Victory tastes sweet!
Filled all entries in the notebook, and made some friends along the way.
Covered a zombie in objects. That sure was funny!
Collected all combo cards from survivors. The gift of zombie killing!
Created and consumed all mixed drinks in the game. Just like Mom used to make.
Killed 1,000 zombies barehanded. Those were some killer moves!
Smashed 100 zombies using the Smash skill move. Brains everywhere!
Collected all combo cards hidden in Fortune City. Inspiration is all around you.
Used every type of explosive on a zombie. Kaboom!
Changed into all the clothes in the game. Zombie invasion is no excuse for poor style.
Finished in first place in a TIR episode. Don and Paul love watching you go!
Entered all the stores in the game. Did you buy anything?
Ate all types of food in the game. That can't be healthy.
Killed 1,000 gas zombies. As if zombies weren't bad enough...
Used every type of ranged weapon on a zombie. They can't bite you if they're already dead.
Collected all combo cards. All 49. Seems odd, doesn't it?
Killed 53,596 zombies. You left them all for dead!
Spraypainted all Zombrex posters. They didn't do much good in the first place.
Killed 72,000 zombies. King of carnage!
Used every type of novelty weapon on a zombie. Lighten up a bit!
Created all combo weapons. Now put them to use!
Used every type of melee weapon on a zombie. Anything is deadly in the right hands.
Played and won in all 9 TIR events. A true American hero!