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