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TTT Classic is a Half-Life Mod. A demake of the popular Garry's Mod gamemode, Trouble in Terrorist Town (TTT), faithfully recreated for the original Half-Life.
PC (Microsoft Windows) · Oct 17, 2025
Worldwide · Exact date · Beta · IGDB
PC (Microsoft Windows) · Jun 23, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
100 achievements available.

As an Innocent, eliminate three or more Traitors by yourself in a single round.
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Kill at least three enemies simultaneously using an explosive device.
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Kill an enemy who recently killed a friend.
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As a Traitor, use a medkit when you have 45 HP or less.
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As a Traitor, kill three enemies using the Silenced AWP.
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Lose 100 rounds.
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Win 100 rounds.
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Start and finish a map with your karma NEVER dropping below 96% of max, even mid-round.
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Win a round relying only on your starting equipment.
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As a Traitor, win with no bodies from kills made by Traitors found by Innocents during the round. (Min 8 players)
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Achieve victory as a Traitor or Detective on the map 747.
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As a Detective, heal a fellow Detective with your health station.
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Kill 3 enemy traitors with the Crowbar.
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Use the explosive dog to kill an enemy on the map 747.
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Successfully disarm a planted C4.
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As a Traitor, win or lose the round with zero total kills.
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Decapitate an enemy with a Ricochet disc.
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Kill your murderer with a dying shot.
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Play five rounds on Junkbaby without taking 25 or more fall damage.
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Kill an enemy with the Dual Elites while in the air.
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Finish a round alive with exactly 1HP remaining.
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Kill 5 enemies who are blinded.
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Push someone to their death with the Crowbar.
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Cause an enemy to fall out of the plane on 747.
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Tag a friend AS a friend using the in-game UI. Yay!
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As a Detective, defeat the final Traitor in a 1v1 confrontation using the UMP Prototype.
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Get 10 Kills with the Hockey Puck trap on Clubhouse.
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As a Traitor, die before your suicide bomb detonates.
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Kill an enemy player while blinded by a flashbang.
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As a Traitor, use a trap to kill an enemy.
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Locate and eliminate a Traitor based on a DNA ping.
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As a detective, be alive when all innocents are dead.
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Kill an enemy while airborne.
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Kill an enemy at long-range with a shotgun using the lasersight.
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Talk for at least one minute using traitor voicechat.
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Use the in-game ping function 1,000 times overall.
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As a Traitor, use the Newton Launcher to push three Innocents or Detectives to their deaths.
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Visit the TTTC Discord
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Score three headshots on enemies using high-caliber one-shot weapons like the S&W or Silenced AWP.
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Eliminate all Traitors with zero Innocent casualties. (Min 10 players)
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Kill a player while playing as a chicken.
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End ten consecutive rounds with perfect karma.
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Use a ricochet disc to knock an enemy off the map to their death.
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Accumulate 1,000 total kills using the ricochet disc.
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As a Traitor, backstab and kill an enemy.
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As an Innocent or Detective, win the round because the round timer expired.
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Deal damage to at least five enemies in a short period with the M4A1.
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As a chicken, get killed by the world.
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Face off in a 1v1 showdown as the last Traitor or last Innocent.
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Push an enemy to their death with a ricochet disc that has bounced off one wall.
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As a Traitor, Win a round with at least 10 people without being attacked by another player.
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Spray 100 times.
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As a Detective, have allies recover at least 75 total health from your placed health station.
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Avenge the Detective by killing the Traitor who took them down.
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Kill 1000 Chickens.
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Be the last traitor alive after all your teammates have been eliminated by enemies.
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As a Traitor, Kill 3 Enemies in the same round with the Mounted LMG on Clubhouse.
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Get the RPG on Cliff.
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As a Traitor, Win a Round with 3 kills, only using silent weapons.
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Kill 10,000 Innocents, 2,500 Traitors, and 1,300 Detectives.
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As an Innocent, loot and equip a Traitor-specific item.
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Discover three consecutive bodies that you did not kill.
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Kill three enemies in a single round using only weapons/tools while taking absolutely zero damage.
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Survive three consecutive rounds without dying. (Min 6 players)
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Spray next to a corpse.
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As a Traitor, get a kill while disguised.
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Shoot and kill an enemy while you are actively climbing a ladder.
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Get all kills for the Traitor team while your fellow Traitors get zero. (Min 8 players)
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Complete a round on all official maps and at least one non-official map.
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Complete a round on a community-made map.
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Get the final kill on a Traitor using a Traitor-specific weapon.
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Play TTT Classic for the first time.
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Kill an enemy traitor with the S&W.
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Die instantly from a knife backstab.
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Community notes