Sneak up on The End and hold him up

Earned at least a Quarter Stripe mark in all three trials at one Hunting Ground.

Collect every type of frog

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

Stealth kill all enemies in the mission "Madd Dogg's Rhymes".

Use a Pay 'n' Spray with wanted level.

Complete "Last Requests".

Keep the two mafia members alive during "Triads and Tribulations".

Complete the "Turismo" race in under 180 seconds.

Finish Peru chapter

Defeat T-Rex

Extinguish 15 fires during a single Fire Truck mission.

Take out Chunky Lee Chong with a car rigged with a bomb.