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