Here is the list we know so far of the achievments for Dead Rising. No point values are added, so we assume that the points will be evenly spread across the lot of them.

Zombie Hunter: Defeat at least 1,000 zombies.
Zombie Killer: Defeat at least 10,000 zombies.
Zombie Genocider: Defeat at least 53,594 zombies.
Self Defense: Defeat at least 1 psychopath.
Peace Keeper: Defeat at least 5 psychopaths.
Punisher: Defeat at least 10 psychopaths.
Legendary Soldier: Unknown
Hella Copter: Unknown
Tour Guide: Escort 8 survivors at once.
Frank the Pimp: Simultaneously escort 8 female survivors.
Full Set: Collect all portraits in the notebook.
Humanist: Get at least 10 survivors out of the mall.
Life Saver: Get at least 20 survivors out of the mall.
Saint: Get at least 50 survivors out of the mall.
Strike!: Send at least 10 zombies flying with bowling balls.
Costume Party: Place novelty masks on at least 10 zombies.
Raining Zombies: Knock at least 30 zombies aside with a parasol.
Gourmet: Eat all types of food available in the mall.
Item Smasher: Break at least 100 items.
Bullet Point: Fire at least 1,000 bullets.
Perfect Gunner: Don't miss with a machine gun.
Photojournalist: Score at least 1,500 PP from a single photo.
The Artiste: Score at least 3,000 PP from a single photo.
Group Photo: Get 50 Target Markers with the camera.
Portraiture: Photograph at least 10 survivors.
Census Taker: Photograph at least 50 survivors.
Psycho Photo: Photograph at least 4 psychopaths.
Psycho Collector: Photograph at least 10 psychopaths.
PP Collector: Photograph all PP Stickers.
Snuff Shot B: Unknown
Snuff Shot J: Unknown
Transmissionary: Answer all calls from Otis.
Indoorsman: Spend at least 24 hours indoors.
Outdoorsman: Spend at least 24 hours outdoors.
Freefall: Drop from a height of at least 16 feet (5 meters).
Marathon Runner: Cover a distance of 26.2 miles (42.195 km).
Carjacker: Steal the convicts' vehicle.
Stunt Driver: Jump a car at least 33 feet (10 meters).
Stunt Rider: Jump a motorcycle at least 33 feet (10 meters).
Zombie Road: Walk over 33 feet (10 meters) on the backs of zombies using the Zombie Ride. Karate Champ: Defeat at least 1,000 zombies barehanded.
Sharp Dresser: Change into at least 20 different costumes.
Clothes Horse: Change into all costumes available in the mall.
Level Max: Reach level 50.
Unbreakable: Get the true ending without being knocked out.
Overtime Mode: Unveil all cases and be at the heliport at noon.
8 Mode: Get the true ending.
3 Day Survivor: Survive for at least 72 hours.
5 Day Survivor: Survive for at least 5 days.
7 Day Survivor: Survive for at least 7 days.