Prey

Complete the following achievements to unlock the indicated number of Xbox Live Gamerscore points.

Complete the following achievements to unlock Xbox Live Gamerscore points.

Last Call (10 points): Last Call level completed.

Escape velocity (10 points): Escape Velocity level completed.

Downward Spiral (10 points): Downward Spiral level completed.

Rites of Passage (10 points): Rites Of Passage level completed.

Second Chances (15 points): Second Chances level completed.

All Fall Down (15 points): All Fall Down level completed.

Crash Landing (15 points): Crash Landing level completed.

Sacrifices (20 points): Sacrifices level completed.

There Are Others (20 points): There Are Others level completed.

Guiding Fires (20 points): Guiding Fires level completed.

The Old Tribes (25 points): The Old Tribes level completed.

Hidden Agenda (25 points): Hidden Agenda level completed.

Jen (25 points): Jen level completed.

The Dark Harvester (30 points): The Dark Harvester level completed.

Following Her (30 points): Following Her level completed.

The Complex (30 points): The Complex level completed.

Ascent (40 points): Ascent level completed.

Center of Gravity (40 points): Center Of Gravity level completed.

Resolutions (40 points): Resolutions level completed.

Oath of Vengeance (50 points): Oath Of Vengeance level completed.

Facing The Enemy (50 points): Facing The Enemy level completed.

Mother's Embrace (60 points): Mother's Embrace level finished.

Savior (65points): Complete the game under the normal difficulty.

Galactic Hero (65 points): Completed the game under the Cherokee difficulty.

Young Blood (10 points): Reach 50 kills total in death match.

Brave Star (15 points): Reach 125 kills total in death match.

Ultimate Warrior (50 points): Reach 500 kills total in death match.

Team member (10 points): Reach 50 kills total in team death match.

Team player (15 points): Reach 125 kills total in team death match.

Team leader (20 points): Reach 250 kills total in team death match.

Sharpshooter (10 points): Reach 25 sniper kills in death match and team death match.

Invisible assassin (10 points): Reach 25 kills in death match and team death match using spirit form.

Mechanic (10 points): Reach 25 kills in death match and team death match using the wrench.

Rifle Ranger (10 points): Reach 25 kills in death match and team death match using the rifle.

Crawler King (10 points): Reach 25 kills in death match and team death match using Crawler grenades.

Machine Gun Tommy (10 points): Reach 25 kills in death match and team death match using the Auto-Cannon.

Launcher Lord (10 points): Reach 25 kills in death match and team death match using the Crawler Launcher.

Soul Sucker (10 points): Reach 25 kills in death match and team death match using the Leech Gun.

Toxic Overlord (10 points): Reach 25 kills in death match and team death match using the Acid Sprayer.

Rank 1 (20 points): Win a ranked match.

Ten Ranked Matches (20 points): Play ten ranked matches.

Additionally, there are three secret achievements.

Poker Face (10 points): $250 won on Draw Poker.

Retro Gamer (10 points): Score over 15,000 on Runeman.

Black Jack (10 points): $250 won on Black Jack.

To unlock Cherokee Difficulty, simply complete Normal difficulty first.