Here is the full list of all 50 Dead Rising 2 achievements.
Created a combo weapon. Introduce it to the nearest zombie!
Killed 500 zombies. Not a bad start.
Killed 5,000 zombies. Is that all you've got?
Killed 53,596 zombies. You left them all for dead!
Killed 72,000 zombies. King of carnage!
Defeated 5 psychopaths. There's a new sheriff in town!
Defeated 10 psychopaths. The world is a safer place.
Killed 1,000 zombies barehanded. Those were some killer moves!
Killed 1,000 zombies while riding a motorcycle. Chainsaws on the side make it easier.
Used every type of firearm on a zombie. Bang!
Used every type of melee weapon on a zombie. Anything is deadly in the right hands.
Used every type of ranged weapon on a zombie. They can't bite you if they're already dead.
Used every type of explosive on a zombie. Kaboom!
Used every type of novelty weapon on a zombie. Lighten up a bit!
Escorted 8 survivors at once. It's a party, everyone is invited!
Saved 10 survivors. But more are still out there...
Saved 50 survivors. What a great guy!
Created all combo weapons. Now put them to use!
Reached level 25. Halfway there!
Reached level 50. You're a machine!
Changed into 10 different pieces of clothing. Looking dapper, chap!
Changed into all the clothes in the game. Zombie invasion is no excuse for poor style.
Completed The Facts. The End... or is it?
Mixed a drink. Tasty stuff!
Created and consumed all mixed drinks in the game. Just like Mom used to make.
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...
Gave Katey a gift. It's good to spoil her sometimes.
Gave Katey every possible gift. Bribery is the fastest way to earn a child's love!
Completed Overtime Mode. TK got what he deserved.
Solved all case files in Co-op. You're a great friend!
Revived another player in Co-op. He owes you one.
Spent $6,000,000 total in Fortune City. Where did you get all that money?
Entered all the stores in the game. Did you buy anything?
Had 10 zombies with masks on at once. You showed them who's boss!
Spray-painted all Zombrex posters. They didn't do much good in the first place.
Played and won in all 9 TIR events. A true American hero!
Came in first place in a single TIR event. Victory tastes sweet!
Finished in first place in a TIR episode. Don and Paul love watching you go!
Gave your bike a custom paint job. Sweet ride!
Collected all combo cards hidden in Fortune City. Inspiration is all around you.
Collected all combo cards from survivors. The gift of zombie killing!
Collected all combo cards from psychopaths. Pried from their cold, dead fingers.
Collected 25 combo cards. So many combinations, so little time.
Collected all combo cards. All 49. Seems odd, doesn't it?
Filled all entries in the notebook and made some friends along the way.
Smashed 100 zombies using the Smash skill move. Brains everywhere!
Covered a zombie in objects. That sure was funny!
Tamed Snowflake. Keep some steak handy, just in case.
Discovered the secret combo card. Did you cheat by checking online?