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