The Heavy Update Title update for Team Fortress 2 has 38 achievements.
Kill 50 Scouts using Natascha.
Kill 50 enemies while both you and your victim are underwater.
Kill 10 Heavies with The K.G.B.
Kill 25 enemies while you're standing on a control point you own.
Kill 15 enemies capturing a control point you own.
Get ÜberCharged 50 times.
Kill 20 enemies while being recharged by a dispenser.
Kill 10 enemies with a Medic assisting you, where neither of you die.
Achieve 22 of the achievements in the Heavy pack.
Be the first on your team to start capturing a control point in a round.
Achieve 10 of the achievements in the Heavy pack.
Achieve 16 of the achievements in the Heavy pack.
Take 1000 points of damage in a single life.
Earn a domination for a Medic who's healing you.
Kill an enemy with a taunt.
Kill 10 enemies carrying your intelligence.
Work with a friendly Medic to kill an enemy Heavy & Medic pair.
Get 25 enemy kills where you either assist or are assisted by another Heavy.
Remove 20 stickybombs by killing the Demomen who produced them.
In a single life, get shot, burned, bludgeoned, and receive explosive damage.
Get 20 kills on players that you're dominating.
Survive a direct hit from a critical rocket.
Kill or assist in killing 10 cloaked Spies.
Kill 5 enemies without spinning down your gun.
Fire $200,000 worth of minigun rounds in a single life.
Kill an enemy with a critical punch.
Heal 1000 damage with med-kits in a single life.
Kill an enemy with your shotgun while you're out of minigun ammo.
Kill 10 enemies in mid-air with the minigun.
Help 5 teammates get revenge on their nemeses.
Eat 100 sandviches.
Kill 50 enemies within 3 seconds of them attacking your Medic.
While invulnerable and on defense, block an invulnerable enemy Heavy's movement.
Block the enemy from moving the payload cart 25 times.
Get 1000 assists.
Get 50 caps on payload maps.
Kill an enemy in the first 5 seconds after you exit a teleporter.
Provide an enemy with a freezecam shot of you taunting while invulnerable.