Here is the full list of all 59 Sleeping Dogs: Definitive Edition achievements worth 1,225 gamerscore.
Found all the Evidence Collectibles
Defeated the cultists.
Completed all secondary content of Year of the Snake.
Completed End of the World.
Achieved 5 Gold Awards.
Found all the money shrines.
Banished Smiley Cat.
Completed all secondary content of Nightmare in North Point.
Sent Dogeyes, Ratface and Ponytail back to Hell.
Achieved 30 Gold Stat Awards.
Completed 100% of all missions, cases, favors, events, jobs and races.
Purchased all vehicles.
Purchased all clothing.
Completed all of the open world Events.
Unlocked every lockbox in North Point.
Unlocked every lockbox in Central.
Hacked every Security Camera in the game.
Unlocked every lockbox in Kennedy Town and Aberdeen.
Completed all Favors.
Achieved 30 Silver Stat Awards.
Achieved 90% and above for all songs at the Karaoke Bars in HK.
Completed all of Roland's Jobs.
Completed all Street Races.
Prayed at all of the Health Shrines.
Tried 10 different foods or drinks.
Changed all your clothes in your wardrobe or a clothing store.
Achieved Face Level 10.
Used 10 different melee weapons to defeat enemies.
Completed half of the open world events.
Unlocked ten Cop Upgrades.
Completed 50% of all missions, cases, favors, events, jobs and races.
Won 50,000 on a single cockfight.
Achieved 15 Gold Stat Awards.
Achieved Face Level 5.
Completed Big Smile Lee.
Unlocked ten Triad Upgrades.
Defeated all 4 Martial Arts Clubs
Used 10 different firearms to defeat enemies.
Won a bet on a cockfight.
Completed all cases.
Completed 25% of all missions, cases, favors, events, jobs and races.
Hijacked 5 trucks and collected their cargo.
Achieved 15 Silver Stat Awards.
Completed Dockyard Heist.
Killed someone with a fish.
Cruised for 2 minutes over 60 Km/h without damaging your car.
Visited Aberdeen, Central, Kennedy Town and North Point.
Picked a lock, planted a bug, traced a phone, cracked a safe, and took over a spy camera.
Achieved 5 Gold Stat Awards.
Achieved Face Level 2.
Completed Payback.
Completed 10% of all missions, cases, favors, events, jobs and races.
Successfully performed an action hijack.
Shot out a cop's tires while fleeing in a police chase.
Achieved 5 Silver Stat Awards.
Completed a Case.
Achieved 1 Gold Stat Award.
Completed Night Market Chase.
Performed 5 unique environmental kills.