Complete the following achievements to unlock Xbox Live Gamerscore points.

Good Score (5 points): Get 20,000 points. 

Demolition Man (15 points): Kill two enemies with a single stick of dynamite in a single player game. 

All Tools (5 points): Pick up a whip, a bat, a knife, a drum, a carton, a stick of dynamite, and a rock. 

Third Base (20 points): Finish mission 3 holding a baseball bat. 

No Swimming (10 points): Pass the bridge in mission 3 without falling in the water. 

Untouchable (20 points): Complete mission 1 in a single player game without being hit. 

Invade the Base (15 points): Reach mission 4 in a co-op game without continues. 

No Mercy (15 points): Take out all the enemies before the final boss in a single player game. 

Sneaky (20 points): Avoid the wall traps in mission 4. 

Bare Hands (20 points): Complete a single player game without using any object. 

Get the Girl (20 points): Beat the other player at the end of a co-op game. 

Hero (35 points): Complete a single player game without continues.