Team Fortress 2 Achievements

Team Fortress 2 awards players for completing tasks with a system of achievements. When you obtain an achievement, a trophy and some confetti will appear briefly above your head. During this, a short fanfare will play and your achievement will be announced to all players. Players are also rewarded new weapons for reaching milestones on class-specific achievements.

General Achievements

Achievement Description
Hard to Kill Get five kills in a row without dying.
Powerhouse Offense Win 2fort with a shutout.
Lightning Offense Win Well in 5 minutes or less.
Head of the Class Play a complete round with every class
World Traveler Play a complete game on every map
Nemesis Get five revenge kills
With Friends Like these... Play a game with 7 or more players from your friends list
Dynasty Win 20 games
Hardcore Accumulate 1000 total kills.
Relentless Offense Win Hydro without giving up a capture.
Impenetrable Defense Successfully defend Dustbowl without giving up a capture.
Impossible Defense Successfully defend Gravel Pit without giving up a capture.
Master of Disguise Trick an opposing Medic into healing you.
Grey Matter Get 25 Headshots as a Sniper.
Sentry Gunner Accumulate 10 Sentry gun kills with a single turret.

Medic Achievements

Achievement Description
Ubi Concordia, Ibi Victoria Assist in killing five enemies on an enemy control point in a single life.
Medical Breakthrough Assist in destroying five enemy Engineer buildings with a single Ubercharge on a Demoman.
Blunt Trauma Assist in punching two enemies with a single Ubercharge on a Heavy.
Big Pharma Assist a heavy in killing twenty enemies where neither of you die.
Consultation Assist a fellow Medic in killing five enemies in a single life.
Autoclave Assist in burning five enemies with a single Ubercharge on a Pyro.
You'll Feel a Little Prick Assist in killing three enemies with a single Ubercharge on a Scout.
Blast Assist Assist in exploding five enemies with a single Ubercharge on a Soldier.
Doctor Assisted Homicide Assist in killing twenty nemeses.
Peer Review Kill fifty Medics with your bone saw.
Sawbones Hit enemies with your bone saw five times in a row without dying or missing.
FYI I am a Medic Use a bonesaw to kill five enemy spies who have been calling for Medic.
Preventative Medicine Block the enemy from capturing a control point with an Ubercharged teammate.
Family Practice Ubercharge ten of your steam community friends.
Second Opinion Ubercharge two teammates at once. Note that this means simultaneously, which can be achieved by changing rapidly between two targets with ubercharge in effect.
Double Blind Trial Deploy an Ubercharge within eight seconds of a nearby enemy medic deploying his.
Infernal Medicine Extinguish one hundred burning teammates.
Autopsy Report Provide an enemy with a freezecam shot of you taunting above their ragdoll.
Bedside Manner Be healing a teammate as he achieves an achievement of his own.
Grand Rounds Heal two hundred teammates after they have called for Medic.
Midwife Crisis Heal an Engineer as he repairs his sentry gun while it's under enemy fire.
Chief of Staff Accumulate one million total health points.
Specialist Accumulate ten thousand heal points in a single life.
Intern Accumulate seven thousand heal points in a single life.
Quadruple Bypass Heal a teammate who is taking fire form four enemies at once.
House Call Join a game that one of your friends is in and then deploy an ÜberCharge on him.
Hypocritical Oath Kill an enemy spy that you have been healing.
Placebo Effect Kill five enemies in a single life, while having your Ubercharge ready but undeployed.
Trauma Queen Deploy three Ubercharges in less than five minutes and assist in five kills during that time.
Medical Intervention Save a falling teammate from dying on impact.
Triage Deploy an Ubercharge on a teammate less than a second before they are hit by a critical explosive.
Surgical Prep Have an Ubercharge ready before the set up phase ends.
Group Health Work with two other medics to deploy three simultaneous Ubercharges.
Play Doctor In a team with no Medics, be first to switch to Medic after a teammate calls medic and heal 500 health.
Does It Hurt When I Do This? Kill fifty Scouts with your syringe gun.
First Do No Harm Play a full round without killing any enemies and score the highest on a team of six or more players.
Team Doctor Accumulate 25000 heal points as a Medic. Note- Does not count towards the milestone achievements
Milestone 1 Achieve 10 of the achievements in the Medic pack. Reward: Blutsauger
Milestone 2 Achieve 16 of the achievements in the Medic pack. Reward: Kritzkrieg
Milestone 3 Achieve 22 of the achievements in the Medic pack. Reward: Übersaw

Pyro Achievements

Achievement Description
Combined Fire Use your shotgun to finish off 20 players you've ignited.
Hot on Your Heels Kill 50 enemies with your flamethrower, from behind.
Firewall Ignite 5 Spies who have a sapper on a friendly building.
Next of Kindling Ignite an enemy, and the Medic healing him.
Cooking the Books Ignite 5 enemies carrying your intelligence.
Second Degree Burn Kill a burning enemy who was ignited by another Pyro.
Spontaneous Combustion Ignite 10 cloaked Spies.
Weenie Roast Have 2 enemy Scouts on fire at the same time.
Trailblazer Ignite 10 enemies that have recently used a teleporter.
Baptism by Fire Force 10 burning enemies to jump into water.
Camp Fire Kill 3 enemies in a row, all within the same area.
Fire and Forget Kill 15 players while you're dead.
Lumberjack Kill 3 people with your axe in one life.
I Fry Ignite 10 disguised Spies.
Clearcutter Kill 6 people with your axe in one life.
OMGWTFBBQ Kill an enemy with a taunt.
Firewatch Ignite 10 snipers while they are zoomed in.
Got A Light? Ignite an enemy Spy while he's flicking a cigarette.
Burn Ward Ignite 3 medics that are ready to deploy an Uber-charge.
BarbeQueQ Cause a dominated player to leave the server.
Makin' Bacon Kill 50 Heavies with your flamethrower.
Dance Dance Immolation Kill 3 enemies while they're taunting.
Plan B Kill 10 enemies while you're both underwater.
Hotshot Kill a Soldier with a reflected critical rocket.
Pyrotechnics Kill 3 enemies in a single uber-charge.
Firefighter Kill 500 enemies.
Arsonist Destroy 50 Engineer buildings.
Fire Chief Kill 1000 enemies.
Controlled Burn Ignite 50 enemies capturing one of your control points.
Attention Getter Ignite 100 enemies with the flare gun.
Dead Heat Kill an enemy in the same second that he kills you.
Pyromancer Do 1 million points of total fire damage.
Pilot Light Ignite a rocket-jumping Soldier while he's in midair.
Hot Potato Reflect 100 projectiles with your compressed air blast.
Freezer Burn Provide enemies with freezecam shots of each of your taunts.
Flamethrower Set five enemies on fire in 30 seconds. Note- Does not count towards the milestone achievements
Milestone 1 Achieve 10 of the achievements in the Pyro pack. Reward: Flare Gun
Milestone 2 Achieve 16 of the achievements in the Pyro pack. Reward: Backburner
Milestone 3 Achieve 22 of the achievements in the Pyro pack. Reward: Axtinguisher

Sources: TF2 Wiki