CheatCodes.com has the complete list of all Small Arms Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Small Arms as of Friday September 4, 2015 are shown below, or you can print out our Printable Achievements Checklist that shows all Small Arms Achievements and Gamerscores in a simple quick-reference format.
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
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
Complete Mission Mode playing as Ivar or Gullarp
Host an online match using the Iceberg or Village level