Complete each achievement to receive the allotted gamerscore.
Achievement
How to unlock
Full Chat ( 70 points )
Build Terry and Clay's toughness to 100%.
Get Good Wood ( 50 points )
In the bike races, whack off 69 bikers with a bat.
One Percenter ( 5 points )
Help Billy get his bike back.
The Lost Boy ( 25 points )
Become leader of The Lost.
Extra Parking
The yellow parking spaces in front of safe houses you've acquired in the main story will carry over into the Lost and Damned content. Use these to save and repair vehicles.
Hokachu Bike
Beat twelve races in single-player to unlock the bike. Clay will transport it for you.
Spawn Vehicles
Bring out your cell phone and input the following phone numbers.
Achievements...