Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Billy Hoyle ( 10 points )	As the primary player, complete the game without jumping.
Both guns blazing ( 20 points )	Complete the game in coop mode.
By hook or by Crook ( 20 points )	Complete all challenge rooms.
Cap Commando ( 5 points )	As the primary player, complete all levels with both prestige upgrades equipped.
Get the heck outa here you nerd ( 20 points )	Defeat the final boss.
Last Action Hero ( 5 points )	As the primary player, complete the game on hard difficulty.
OCD ( 20 points )	As the primary player, find all Yashichis.
Rearmed ( 20 points )	As the primary player, obtain all bionic arm upgrades as the primary player.
Rumble in the Jungle ( 20 points )	Defeat something huge.
Stiirike ( 20 points )	As the primary player, kill 4 enemies with one barrel.
TASC Force ( 20 points )	As the primary player, complete a level by only finishing off enemies with your bionics.
Welcome to Papagaya Island ( 20 points )	Kill the miniboss in Puerto Cálao.