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