Played 100 Matches
Awarded for playing 100 Multiplayer matches either offline or on Xbox LIVE
25 ✓ September 20th, 2008
Marksmanship
Awarded for a score over 10,000 in the 'Shooting Range'
25 ✓ January 1st, 1753
Won 100 Matches
Awarded for winning 100 matches
25 ✓ September 20th, 2008
Combo x5
Awarded for a 5x Kill Combo
20 ✓ January 1st, 1753
Complete Mission Mode
Complete Mission Mode as any character
20 ✓ January 1st, 1753
Combo x2
Awarded for a 2x Kill Combo
15 ✓ January 1st, 1753
Won 50 Matches
Awarded for winning 50 matches
15 ✓ September 20th, 2008
Completed Training
Awarded for completing the Single Player training mode as any character
10 ✓ January 1st, 1753
Challenge x15
Awarded for defeating 15 opponents in Challenge Mode
10 ✓ September 20th, 2008
Won 10 Matches
Awarded for winning 10 matches
10 ✓ January 1st, 1753
Six Degrees of Small Arms
Awarded for playing someone online who has this Achievement
Challenge x50
Awarded for defeating 50 opponents in Challenge Mode
25 
Barbaric Recruiter
Awarded for hosting a match using the Iceberg or Village level
20 
Honorary Barbarian
Awarded for completing Mission Mode as Ivar or Gullarp
15