Billy Ray Logg Small Arms Defeat Billy Ray Logg in Mission mode to unlock him.
Achievements Do the listed achievement to get the specified number of Gamerscore points:
Completed Training (10 points): Complete the Single Player training mode. Combo x2 (15 points): Kill two opponents in rapid succession. Combo x5 (20 points): Kill five opponents in rapid succession. Challenge x15 (10 points): Defeat fifteen opponents in Challenge mode. Challenge x50 (25 points): Defeat fifty opponents in Challenge mode. Win 10 Matches (10 points): Win ten matches in Single Player or by playing on Xbox Live. Win 50 Matches (15 points): Win fifty matches in Single Player or by playing on Xbox Live. Win 100 Matches (25 points): Win one hundred matches in Mission Mode or Battle Mode. Complete Mission Mode (20 points): Complete Mission mode. Played 100 Matches (25 points): Play 100 matches either offline or on Xbox Live. Marksmanship (25 points): Score over 10,000 in the Shooting Range. Six Degrees of Small Arms (0 points): Obtained from a special player online.
Mousey McNuts -Small Arms To unlock Mousey McNuts,defeat him in Mission mode.
ISO-7982 -Small Arms Complete Mission mode to unlock ISO-7982.
Professor Von Brown Defeat Professor Von Brown in Mission mode to unlock him.