Complete the Single Player training mode with any character

Kill 2 opponents in rapid succession

 

Kill 5 opponents in rapid succession

 

Defeat 15 opponents in Challenge Mode

Defeat 50 opponents in Challenge Mode

Win 10 matches in Single Player or by playing on Xbox Live

 

Win 50 matches in Single Player or by playing on Xbox Live

 

Win 100 matches in Mission Mode or Battle Mode

(1) 

Awarded for completing Mission Mode

Play 100 matches either offline or on Xbox LIVE

 

Score over 10,000 in the 'Shooting Range'

Play online to 'catch' this elusive Achievement

(6) 

Complete Mission Mode playing as Ivar or Gullarp

Host an online match using the Iceberg or Village level