Small Arms Cheats

Achievements
Do the following tasks to unlock the following achievements and their alloted gamerscore.

Challenge x15 (10): Defeat 15 opponents in Challenge Mode
Challenge x50 (20): Defeat 50 opponents in Challenge Mode
Combo x2 (15): Kill 2 opponents in rapid succession
Combo x5 (20): Kill 5 opponents in rapid succession
Complete Mission Mode (20): Awarded for completing Mission Mode
Completed Training (10): Complete the Single Player training mode with any character
Marksmanship (25): Score over 10,000 in the 'Shooting Range'
Played 100 Matches (25): Play 100 matches either offline or on Xbox LIVE
Six Degrees of Small Arms (0): Play online to 'catch' this elusive Achievement
Won 10 Matches (10): Win 10 matches in Single Player or by playing on Xbox Live
Won 100 Matches (25): Win 100 matches in Mission Mode or Battle Mode
Won 50 Matches (15): Win 50 matches in Single Player or by playing on Xbox Live

Unlock Characters
Billy Ray Logg: Beat him in mission mode with any character
ISO-7982 Complete mission mode
Mousey McNuts: Beat him in mission mode with any character
Professor Von Brown: Beat him in mission mode with any character