Reach maximum weight.

Max all weapon skills.

Complete BMX or NRG challenge.

Put all your money or the maximum bet on red or black and win.

Score at least 30 points in the basketball mini-game.

Complete "End of the Line".

Complete 12 levels of Firefighter.

Sneak into the underground base without setting off the alarm above ground during "Black Project".

Buy 8 meals from Cluckin' Bell throughout the game.

Purchase any house.

Go 24 hours (in game) without breaking the law, being wanted, killing or harming anyone.

Fully complete a vehicle school.