Teleport 100 team members into battle.
Use a revenge crit to kill the enemy player that destroyed your sentry gun.
Kill three cloaked Spies with a sentry gun under control of your Wrangler.
Pownd on the Range
Kill 10 enemies outside the normal sentry gun range using the Wrangler.
Have a sentry shielded by the Wrangler absorb 500 damage without being destroyed.
Kill three enemies with revenge crits without dying.
Kill a spy and two sappers within 10 seconds.
The Wrench Connection
Kill a disguised spy with your Wrench.
Upgrade 50 buildings built by other team members.
Fistful of Sappers
Destroy 25 sappers on buildings built by other team members.
Doc, Stock and Barrel
Repair a sentry gun under fire while being healed by a Medic.
Best Little Slaughterhouse in Texas
Rack up 5000 kills with your sentry guns.
Within 10 seconds, have your sentry kill the enemy that just killed you.
Provide an enemy player with a freeze cam of your guitar playing skills.
Provide an enemy player with a freeze cam of you and the sentry that just killed them.
Use your shotgun to finish off an enemy recently damaged by your sentry gun.
The Extinguished Gentleman
Have dispensers you built extinguish 20 burning players.
Have a dispenser heal three teammates at the same time.
No Man's Land
Use a sentry gun to kill 25 enemy players trying to capture a point.
Kill 20 players carrying the intelligence.
Pick up 10,000 pieces of waste metal from destroyed buildings.
Help a team member construct a building.
Manage to get to, and then remove, a sapper placed on your building while you were several meters away.
How the Pests was Gunned
Destroy 50 enemy stickybombs lying in range of friendly buildings.
Honky Tonk Man
Smash an enemy player's head in with your guitar.
Kill 10 Snipers with a sentry gun under the control of your Wrangler.
Perform 50 repairs and/or reloads on a sentry gun being Wrangled by another Engineer.
Destroy an enemy Engineer's sentry gun with a sentry under control of your Wrangler.
If You Build It, They Will Die
Haul a level 3 sentry gun into a position that achieves a kill shortly after being redeployed.
Haul buildings one kilometer over your career.
Get 10 assists with another Engineer where a sentry gun was involved in the kill.
Have dispensers you created dispense a combined amount of 100,000 health over your career.
Circle the Wagons
Repair 50,000 damage to friendly buildings constructed by other players.
Built to Last
Help a single building take over 2000 damage without being destroyed.
(Not So) Lonely are the Brave
Keep a Heavy healed with your dispenser while he makes five kills.