Here is the full list of all 265 Traitors in Salem achievements.
Be Knighted after revealing as the Mayor
Shoot a Traitor as a Vigilante
Win 5 games as a Vigilante
Find a player to have bloody hands on Day 1
Win 10 games as an Investigator
Win 10 games as a Townie
Use Wraith's invisibility
Win 5 games as a Saint
Win 5 games as a Veteran
Win 5 games as a Prosecutor
Win your fist game as a Jester
Prosecute an evil player
Win 100 games of Traitors in Salem
Reveal a member of the Town
Win 5 games as a Psychic
Win 5 games as a Mayor
Vote guilty on a Traitor while being revealed as the Mayor
Win 5 games as a Transporter
Counterattack and kill a player with your alert
Counterattack a Serial Killer's Blood Rush attack
Hex a player
Win 10 games as a Lookout
Win 5 games as a Wildling
Win your first game as a Prosecutor
Win 10 games as a Sheriff
Win 5 games as a Seer
Win your first game as a Banshee
Win your first game as a Veteran
Knight a Traitor while you are a Cult Member
Convert a Vigilante to a Cult Member
Silence the Town and kill a Prosecutor
Silence the Town with your Banshee Scream
Be successfully lynched as a Jester
Win 5 games as a King
Kill a Veteran with your Blood Lust
Win your first game as a Cultist
Convert a player to a Cult Member
Win your first game as an Arsonist
Burn five corpses in a single game
Burn your first corpse
Win 5 games as an Investigator
Win 50 games of Traitors in Salem
Use an alert
Win your first game as a Traitor
Win your first game as a Transporter
Use a Teleporter as a Transporter
Win your first game as a Vigilante
Win with all Town members still alive
Win 5 games as a Lookout
Win 5 games as a Sheriff
Win your first game as a Tracker
Find a corpse and track the killer
Use the Town bell
Win your first game as a Seer
Find two players to be on the same faction
Find two players to be on opposing factions
Knight another player
Use Eagle Eye during a Blood Moon
Win 5 games as a Townie
Win 25 games of Traitors in Salem
Win your first game as a King
Win your first game as a Mayor
Reveal yourself as the Mayor
Be killed by a player
Be killed by a Serial Killer
Take a teleporter
Be acquitted by a tie vote
Win your first game as a Medium
Sense the death of 10 players in a game
Sense the death of a player during a Blood Moon
Use Eagle Eye during the day
Win your first game as a Serial Killer
Kill a player with your Blood Lust
Win your first game as a Saint
Win 10 games of Traitors in Salem
Win your first game as a Lookout
Use Eagle Eye at night
Prosecute a player
Sense the death of another player
Win your first game as an Investigator
Find a player to have clean hands
Find a player to have bloody hands
Report 3 bodies in a game
Report a body
Win your first game as a Coroner
Win 5 games of Traitors in Salem
Interrogate an innocent player
Win your first game as a Sheriff
Interrogate an evil player
Win your first game as a Psychic
Win by completing the final quest
Win your first game as a Townie
Kill a player while Heightened Senses is activated
Use Heightened Senses during the Day
Complete 5 quests in a game
Use Heightened Senses at Night
Win your first game of Traitors in Salem
Win your first game as a Wildling
Win with All Traitors still alive
Cast a Spell
Complete a quest
Win 250 games of Traitors in Salem
Win with all Town roles
Win with all Traitor roles
Win with all roles
Win 25 games as a Townie
Win 5 games as a Traitor
Win 10 games as a Traitor
Win 25 games as a Traitor
Win 5 games as a Jester
Win 10 games as a Jester
Win 25 games as a Jester
Win 10 games as a Vigilante
Win 25 games as a Vigilante
Win 10 games as a Transporter
Win 25 games as a Transporter
Win 25 games as a Sheriff
Win 25 games as a Lookout
Win your first game as an Executioner
Win 5 games as an Executioner
Win 10 games as an Executioner
Win 25 games as an Executioner
Win 5 games as an Arsonist
Win 10 games as an Arsonist
Win 25 games as an Arsonist
Win 10 games as a Psychic
Win 25 games as a Psychic
Win your first game as a Wraith
Win 5 games as a Wraith
Win 10 games as a Wraith
Win 25 games as a Wraith
Win your first game as a Disguiser
Win 5 games as a Disguiser
Win 10 games as a Disguiser
Win 25 games as a Disguiser
Win your first game as an Inquisitor
Win 5 games as an Inquisitor
Win 10 games as an Inquisitor
Win 25 games as an Inquisitor
Win your first game as a Poisoner
Win 5 games as a Poisoner
Win 10 games as a Poisoner
Win 25 games as a Poisoner
Win 10 games as a Veteran
Win 25 games as a Veteran
Win 25 games as an Investigator
Win 10 games as a Mayor
Win 25 games as a Mayor
Win 10 games as a Wildling
Win 25 games as a Wildling
Win 10 games as a Prosecutor
Win 25 games as a Prosecutor
Win 5 games as a Serial Killer
Win 10 games as a Serial Killer
Win 25 games as a Serial Killer
Win 5 games as a Banshee
Win 10 games as a Banshee
Win 25 games as a Banshee
Win your first game as a Necromancer
Win 5 games as a Necromancer
Win 10 games as a Necromancer
Win 25 games as a Necromancer
Win 5 games as a Coroner
Win 10 games as a Coroner
Win 25 games as a Coroner
Win 10 games as a Seer
Win 25 games as a Seer
Win 10 games as a Saint
Win 25 games as a Saint
Win your first game as a Hex Master
Win 5 games as a Hex Master
Win 10 games as a Hex Master
Win 25 games as a Hex Master
Win 5 games as a Tracker
Win 10 games as a Tracker
Win 25 games as a Tracker
Win 5 games as a Medium
Win 10 games as a Medium
Win 25 games as a Medium
Win 10 games as a King
Win 25 games as a King
Win your first game as an Illusionist
Win 5 games as an Illusionist
Win 10 games as an Illusionist
Win 25 games as an Illusionist
Win 5 games as a Cultist
Win 10 games as a Cultist
Win 25 games as a Cultist
Possess and kill a Town member
Possess a revealed Mayor and kill a Town member
Possess a Town member and have them die to a Veteran on Alert
Shoot a Disguiser while they are Disguised
Shoot a converted Cult Member
Shoot a Poisoner after they have Poisoned you
Use a Teleporter during an Ice Storm
Use a Teleporter during a Blood Moon
UNDEFINED
Interrogate someone as a Cult Member
Interrogate a revealed Mayor who is Evil
Have your active Eagle Eye canceled by a Banshee
Successfully lynch your target
Lynch three targets in one game
Lynch a revealed Mayor who is your target
Lynch your target on Day One
Burn the corpse of a revealed Mayor
Burn the corpse of a fellow Traitor
Sense the death of a revealed Mayor
Use a teleporter while invisible
Use Wraith's invisibility five times in a game
Cast the Displace spell while invisible
Disguise as another player
Disguise as another player and kill someone
Disguise as another player and use a teleporter
Kill the player you are disguised as
Check the role of a player
Find a Sheriff
Find a Veteran
Check 10 players in a game
Poison a player
Poison 5 players in a game
Have a Veteran on alert die to your poison
Make a player die to poison while they are doing Pan's Flute
Kill 3 people with your alerts in a game
Find 3 players with bloody hands in a game
Vote innocent on a Town member while being revealed as the Mayor
Be the only guilty vote on a Traitor while being revealed as the Mayor
Kill a Lookout while their Eagle Eye is active
Prosecute a Cult Member
Prosecute a revealed Mayor who is a Cult Member
Kill a Prosecutor with your Blood Lust
Kill a Vigilante with your Blood Lust
Kill a revealed Mayor with your Blood Lust
Silence the Town and kill a Veteran
Silence the Town and kill a Vigilante
Silence the Town and stop a Tracker that was tracking you
Summon a minion to do your bidding
Kill a player with your minion
Kill a Veteran with your minion
Kill a Knighted and Revealed Mayor with your minion
Perform an Autopsy on a corpse
Examine a player against your Autopsy results
Examine a player and find that they were the killer
Examine an Arsonist and find that they were the killer
Check a players faction against a Revealed Mayor
Compare two players factions as a converted Cult Member
Be killed by a Banshee
Be killed by a Vigilante as a converted Cult Member
Hex 5 players in a game
Win the game by Hexing all living players
Win the game by casting your final Hex on an Alerting Veteran
Track a killer during an Ice Storm
Track three kills in a game
Reveal a Serial Killer upon your death
Reveal a Cultist upon your death
Reveal a Mayor who was still hidden to the Town
Knight a revealed Mayor
Be the third person to Knight a player
Create an illusion of a player
Create an illusion while the Seeing Double spell is active
Create an illusion of a player who is dead
Convert a revealed Mayor to a Cult Member
Convert a Veteran on alert to a Cult Member
Live to the 10th Day
Win by the Curse Spell