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