Halloween 2013 Achievements...
	Love & War Update Achievements...
	Steam Achievements - General...

These pertain to the Scream Fortress event released on October 29, 2013.

Achievement	How to unlock
Hat Out of Hell	Get the loot from Skull Island in Hell.
Helltower: Competitive Spirit	Win 142 rounds.
Helltower: Hell on Wheels	Send Redmond/Blutarch to Hell 10 times.
Helltower: Hell's Spells	Get and use a rare spell.
Helltower: Mine Games	Score 17 environmental kills in Hell.
Helltower: Skeleton Coup	Kill 99 skeletons.
Helltower: Spelling Spree	Kill 25 players with spells.
The Mann-tastic Four	Earn 4 Helltower achievements.

These achievements were added in the "Love & War" Update.

Achievement	How to unlock
Air Raid	As a demo, kill 3 enemies in a single parachute deploy.
Back 2 Back	Using the Back Scatter, kill a heavy/medic pair within 20 seconds of each other.
Back in Business	Using the Back Scatter, kill 20 spies from behind.
Bombs Away!	Kill 3 enemies with the Air Strike in a single rocket jump.
Chain Reaction	Get 3 kills within 6 seconds using the demoman's charge.
Conga Line	Do the conga (taunt) with 10 or more players at once.
Dogfight	As a parachuting soldier, kill another parachuter.
Eagle Eye	Using "The Classic," kill a rocket/grenade jumper with a full-charge, no-scope headshot.
Emergency Brake	Kill a charging demoman.
Fast Fingers	Backstab a scout using the Back Scatter.
Flight Cancelled	Using "The Classic," kill 25 parachuting players with a critical headshot.
Flight Control	As a parachuting demo, kill another parachuter.
Flip-Kabob	Ignite a player who is being flipped by the Flippin' Awesome taunt.
Head-On Collision	Kill a charging demo while charging yourself.
Hipshot	Using "The Classic," kill 10 enemies with a full-charge, no-scope headshot.
Maximum Potential	Reach the Air Strike's maximum clip size.
May I Cut In, Too?	Kill 10 players doing the Square Dance taunt.
Nose Dive	Kill 10 players parachuting with the B.A.S.E. Jumper.
On the Rocks	With the rock-paper-scissors taunt, lose 3 times in a row while picking rock.
Operation High Dive	Parachute 19.47 miles as a demoman.
Party Crasher	Kill 3 players doing the conga within 5 seconds.
Prime Cuts	Using "The Classic," gib all 9 classes during a single round.
Project Excelsior	Parachute 19.47 miles as a soldier.
Punching Bag	Kill 10 snipers using The Classic.
Running With Scissors	With the rock-paper-scissors taunt, win 3 times in a row with scissors.
Severed Ties	Using the Back Scatter, kill 20 friends from behind.
Showboat	Do 10 partner taunts with a teammate while capturing a control point.
U-Turn	As a demo, kill a foe you couldn't see at the beginning of your charge.
Upper Hand	Kill 3 enemies during a single parachute deploy.

Achievement	How to unlock
Dynasty	Win 20 games.
Flamethrower	Set five enemies on fire in 30 seconds.
Grey Matter	Get 25 headshots as a Sniper.
Hard to Kill	Get five kills in a row without dying.
Hardcore	Accumulate 1000 total kills.
Head of the Class	Play a complete round with every class.
Impenetrable Defense	Successfully defend Dustbowl without giving up a capture.
Impossible Defense	Successfully defend Gravel Pit without giving up a capture.
Lightning Offense	Win Well in 5 minutes or less.
Master of Disguise	Trick an opposing medic into healing you.
Nemesis	Get five revenge kills.
Powerhouse Offense	Win 2Fort with a shutout.
Relentless Offense	Win Hydro without giving up a capture.
Sentry Gunner	Accumulate 10 sentry gun kills with a single turret.
Team Doctor	Accumulate 25000 heal points as a Medic.
With Friends Like these...	Play in a game with 7 or more players from your friends list.
World Traveler	Play a complete game on 2Fort, Dustbowl, Granary, Gravel Pit, Hydro, and Well (CP).