1: Last Call

10
Complete "Last Call"
2: Escape Velocity

10
Complete "Escape Velocity"
3: Downward Spiral

10
Complete "Downward Spiral"
4: Rites Of Passage

10
Complete "Rites Of Passage"
5: Second Chances

15
Complete "Second Chances"
6: All Fall Down

15
Complete "All Fall Down"
7: Crash Landing

15
Complete "Crash Landing"
8: Sacrifices

20
Complete "Sacrifices"
9: There Are Others

20
Complete "There Are Others"
10: Guiding Fires

20
Complete "Guiding Fires"
11: The Old Tribes

25
Complete "The Old Tribes"
12: Hidden Agenda

25
Complete "Hidden Agenda"
13: Jen

25
Complete "Jen"
14: The Dark Harvest

30
Complete "The Dark Harvest"
15: Following Her

30
Complete "Following Her"
16: The Complex

30
Complete "The Complex"
17: Ascent

40
Complete "Ascent"
Poker Face

10
$250 won on Draw Poker
18: Center Of Gravity

40
Complete "Center Of Gravity"
19: Resolutions

40
Complete "Resolutions"
20: Oath Of Vengeance

50
Complete "Oath Of Vengeance"
21: Facing The Enemy

50
Complete "Facing The Enemy"
Saviour

65
Complete "Prey" on Normal difficulty
22: Mother's Embrace

60
Complete "Mother's Embrace"
Secret Achievement

10
Continue playing to unlock this secret achievement.
Secret Achievement

10
Continue playing to unlock this secret achievement.
Young Blood

10
Score over 50 kills in Death Match
Mechanic

10
Score 25 Wrench kills in Multiplayer
Toxic Overlord

10
Score 25 Acid Sprayer kills in Multiplayer
Rank One

20
Win a Ranked Multiplayer Match
Machine Gun Tommy

10
Score 25 AutoCannon kills in Multiplayer
Brave Star

15
Score over 125 kills in Death Match
Ten Ranked Matches

20
Play ten Ranked Multiplayer Matches
Rifle Ranger

10
Reached 25 Rifle kills
Crawler King

10
Score 25 Crawler Grenade kills in Multiplayer
Soul Sucker

10
Score 25 Leech Gun kills in Multiplayer
Ultimate Warrior

50
Score over 250 kills in Death Match
Invisible Assassin

10
Score 25 Spirit Form kills in Multiplayer
Launcher Lord

10
Score 25 Crawler Launcher kills in Multiplayer
Team Member

10
Score over 50 kills in Team Death Match
Sharpshooter

10
Score 25 Sniper kills in Multiplayer
Galactic Hero

65
Complete "Prey" on Cherokee difficulty
Team Player

15
Score over 125 kills in Team Death Match
Team Leader

20
Score over 250 kills in Team Death Match