Here is the full list of all 31 Cabela's Big Game Hunter 2008 achievements worth 1,000 gamerscore.
Player must hunt 20 small game animals with any handgun in the course of completing the Career mode.
15 small game animals must be hunted with the crossbow in the course of completing the Career mode.
Hunt 10 small game animals with the muzzleloader in the course of completing the Career mode.
Accuracy must be over 50% in any season.
Accuracy must be over 70% in any season.
Accuracy must be over 90% in any season.
Must not lose your grip and fall from a handhold on the first climb in Montana, Fall
The Player must cross the log without falling on the first log in Montana, Fall.
The first animal shot at a distance between 100 and 150 yards away.
The first animal shot at a distance between 150 and 200 yards away.
The first animal hit at a distance over 200 yards away.
The first animal shot at a distance over 75 yards away. Player must not shoot from Scope mode.
Complete every single hunt in Career mode (required and optional).
Player must hunt all objective animals while never shooting from Scope Mode in any single season.
Complete an entire season without shooting any animals outside of an objective.
The player must dodge 10 attacks at any time during any of the Rival Animal Hunts.
Shoot and kill this Trophy Legend animal in only one shot.
Take down the Rival Grizzly Bear. Player can be hit up to three times.
Take down the Rival African Leopard. Player can be hit only once.
Take down the Rival Wild Boar without ever being hit by the boar.
Take down the Rival Cougar without being hit by the Cougar. Player can only have 3 missed shots.
Take down the Rival African Lion without being hit or missing a single shot.