Complete the following achievements to unlock the indicated number of Xbox Live Gamerscore points.
| Unlockable: | How to Unlock: |
| ALL FALL DOWN | All fall down completed 15 points |
| ASCENT | Ascent completed 40 points |
| Brave Star: (15 Points) | Reached 125 kills total in death match |
| CENTER OF GRAVITY | Center of gravity completed 40 points |
| CRASH LANDING | Crash landing completed 15 points |
| Crawler King: (10 Points) | Reached 25 kills in death match and team death match using Crawler grenades |
| DOWNWARD SPIRAL | Downward Spiral completed 10 points |
| ESCAPE VELOCITY | Escape velocity completed 10 points |
| FACING THE ENEMY | Facing the enemy completed 50 points |
| FOLLOWING HER | Following her completed 30 points |
| Galactic Hero: (65 Points) | Completed game on Cherokee difficulty |
| GUIDING FIRES | Guiding fires completed 20 points |
| HIDDEN AGENDA | Hidden agenda completed 25 points |
| Invisible assassin: (10 Points) | Reached 25 kills in death match and team death match using spirit form |
| JEN | Jen completed 25 points |
| LAST CALL | Last call complete 10 points |
| Launcher Lord: (10 Points) | Reached 25 kills in death match and team death match using the Crawler Launcher |
| Machine Gun Tommy: (10 Points) | Reached 25 kills in death match and team death match using the Auto-Cannon |
| Mechanic: (10 Points) | Reached 25 kills in death match and team death match using the wrench |
| MOTHER'S EMBRACE | Mother's embrace finished 60 points |
| OATH OF VENGEANCE | Oath of vengeance completed 50 points |
| Rank 1: (20 Points) | Win a ranked match |
| RESOLUTIONS | Resolutions completed 40 points |
| Rifle Ranger: (10 Points) | Reached 25 kills in death match and team death match using the rifle |
| RITES OF PASSAGE | Rites of passage completed 10 points |
| SACRIFICES | Sacrifices completed 20 points |
| Saviour: (65 Points) | Completed game on Normal difficulty |
| SECOND CHANCES | Second chances completed 15 points |
| Sharpshooter: (10 Points) | Reached 25 Sniper kills in death match and team death match |
| Soul Sucker: (10 Points) | Reached 25 kills in death match and team death match using the Leech Gun |
| Team leader: (20 Points) | Reached 250 kills total in team death match |
| Team member: (10 Points) | Reached 50 kills total in team death match |
| Team player: (15 Points) | Reached 125 kills total in team death match |
| Ten Ranked Matches: (20 Points) | Play ten ranked matches |
| THE COMPLEX | The complex completed 30 points |
| THE DARK HARVEST | The Dark harvester completed 30 points |
| THE OLD TRIBES | The old tribes completed 25 points |
| THERE ARE OTHERS | There are others completed 20 points |
| Toxic Overlord: (10 Points) | Reached 25 kills in death match and team death match using the Acid Sprayer |
| Ultimate Warrior: (50 Points) | Reached 500 kills total in death match |
| Young Blood: (10 Points) | Reached 50 kills total in death match |
To unlock the first gallery, successfully complete the game under the normal difficulty setting. To unlock the first gallery, successfully complete the game under the Cherokee difficulty setting.
Successfully complete the game. Then, select "New Game" at the main menu. The "Cherokee Mode" option will now be unlocked.
Successfully complete the game. Then, select "New Game" at the main menu. The "Casino Mode" option will now appear above the normal difficulty setting. Select that option to play the casino games in Jen's bar.
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