Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

Northwest Master (20 points): Complete hunting in 4 regions. 
Southwest Master (20 points): Complete hunting in 8 regions. 
East Master (20 points): Complete hunting in 12 regions. 
West Master (20 points): Complete hunting in 16 regions. 
South Master (20 points): Complete hunting in 20 regions. 
Bronze Sharpshooter (100 points): Complete the game with a minimum of Bronze 
on all missions. 
Silver Sharpshooter (150 points): Complete the game with a minimum of Silver 
on all missions. 
Gold Sharpshooter (200 points): Complete the game with a minimum of Gold on 
all missions. 
Gun Buff (50 points): Unlock all weapons. 
Upgrade Pro (50 points): Earn all unlockables in the game. 
I Have the Power (10 points): Use all Power-ups at least once. 
Deer Slam Cup (10 points): Complete the Deer Slam. 
Turkey Slam Cup (10 points): Complete the Turkey Slam. 
Waterfowl Slam Cup (10 points): Complete the Waterfowl Slam. 
Upland Bird Slam Cup (10 points): Complete the Upland Bird Slam. 
Small Varmint Slam Cup (10 points): Complete the Small Varmint Slam. 
Large Varmint Slam Cup (10 points): Complete the Large Varmint Slam. 
Predator Award (10 points): Use the Thermal Cam 10 times. 
Peeping Tom Award (10 points): Use the Xrayl Cam 10 times. 
Molasses Award (10 points): Use Slow Time 10 times. 
Chillax Award (10 points): Use Freeze Animal 10 times. 
Cats Award (10 points): Use Laser Bullet 10 times 
McGraw Award (10 points): Use Quick Draw 10 times.