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