The WAR! Update Title update for Team Fortress 2 has 76 achievements.
Dominate 3 Engineers.
Kill an enemy sniper with a rocket after he kills you.
Finish a round as an MVP on a team of 6 or more players 10 times.
Ride the cart for 30 seconds.
Kill at least three players with a single detonation of sticky bombs.
Decapitate your nemesis.
Defend a cap point 30 times.
Bounce an opponent into the air with a rocket and then kill them with the shotgun before they land.
Kill 20 enemies while you are on fire.
Achieve 17 of the achievements in the Soldier pack.
Kill 3 players with the Equalizer in a single life without being healed.
Kill 5 stunned players.
While rocket jumping kill an enemy with the Equalizer before you land or just after landing.
Kill 3 defenseless players after a single match has ended.
Kill 20 enemies from above.
Sticky jump a really long way...
Achieve 11 of the achievements in the Soldier pack.
Kill a Pyro who has airblasted one of your rockets in the last 10 seconds.
Kill 10 enemies while assisting or being assisted by another Soldier.
Decapitate 4 players with only 10 seconds between each kill.
Kill an Engineer as he repairs his sentry gun while it's under enemy fire.
Shoot two non-boosted crit rockets in a row.
Kill a Spy who just backstabbed a teammate.
Achieve 17 of the achievements in the Demoman pack.
Charge and kill someone with your shield bash.
Glory in the slaughter of your enemies using the Eyelander.
Decapitate 50 enemy players.
Use the Sticky Launcher to kill an enemy player via environmental damage.
Kill 25 players defending a capture point or cart.
Achieve 11 of the achievements in the Demoman pack.
Kill 30 players with air burst sticky bombs.
Use a critical swing with the Eyelander to kill 5 enemy players.
Achieve 5 of the achievements in the Soldier pack.
Kill 10 opponents who are airborne with the Direct Hit.
Kill 5 Engineer sentries while you are standing outside of their range.
Decapitate a cloaked Spy.
Kill an enemy player with sticky bombs within 5 seconds of them teleporting.
Kill 25 Scouts and Pyros with the Grenade Launcher.
Achieve 5 of the achievements in the Demoman pack.
Destroy 50 buildings.
Kill 50 enemies with direct hits from the Grenade Launcher.
Destroy an Engineer building that you can't see with a direct hit from your Grenade Launcher.
Kill 10 enemies while assisting or being assisted by another Demoman.
In a single life, kill 3 enemies who have damaged a Medic that is healing you.
Kill an enemy soldier while both you and the target are airborne.
Get the highest possible rocket jump using jump and crouch.
Bounce an enemy into the air and kill them before they land.
Kill 3 enemies with a single critical rocket.
Rocket jump and kill 2 enemies before you land.
Get 3 dominations in a single life.
Use a grenade to gib a player.
Kill your nemesis with a shovel.
Destroy 10 sticky bombs with the shotgun in a single life.
Buff 5 steam friends at once with the Buff Banner.
Provide the enemy with a freezecam of you taunting over 3 of their body parts.
Gib 1000 people.
Buff 15 teammates with the Buff Banner in a single life.
Kill 500 enemy Demomen
Kill 20 enemies with your Equalizer while you have less than 25 health.
Provide the enemy with a freezecam of your 21 gun salute.
Assist a Medic in exploding 5 enemies with a single ÜberCharge.
Kill 500 enemy Soldiers
Destroy 5 enemy Engineer buildings during a single ÜberCharge from a Medic.
Decapitate an enemy Soldier who is brandishing the Equalizer.
Get a melee kill while sticky jumping.
Kill 2 people in a single sticky jump.
Do 1 million points of total blast damage.
Blow up an Engineer, his sentry gun, and his dispenser with a single Sticky bomb detonation.
Kill 3 enemies capping or pushing a cart in a single Stickybomb detonation 3 separate times.
Kill 3 Heavies from full health with a single sticky bomb detonation.
Sticky jump onto a cap point and capture it.
Provide an enemy player with a freeze cam of your smiling face.
Provide an enemy player with a freeze cam of you shaking your rump.
Destroy 100 enemy sticky bombs with the Scottish Resistance.
Kill 20 spies within 5 seconds of them sapping a friendly building.
Using the Scottish Resistance, kill 3 players in separate explosions without placing new sticky bombs.