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