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