| 
|  | A Bygone Century Pit 100 enemies in Rottenburg.
 |  
 
|  | .executioner In a single wave, kill 15 bomb-carrying robots in a row before they level up.
 |  
 
|  | Balls-E Destroy the tank during the final seconds of the bomb being deployed.
 |  
 
|  | Bank On It As a Sniper collect $500 in a mission without running over the currency packs.
 |  
 
|  | Bot-Buster Kill 5 robots in a single explosion from detonating a sentry buster.
 |  
 
|  | Brotherhood of Steel Complete a mission with 5 people on your Friends List.
 |  
 
|  | Chippin' In As a team, pit 10 guys in a single wave in Mannhattan.
 |  
 
|  | Clockwork Carnage Destroy two tanks within 5 seconds of each other.
 |  
 
|  | Clockwork Conqueror Destroy a tank within 20 seconds of its arrival.
 |  
 
|  | Crasher Crusher Play an advanced wave in Rottenburg without the bomb entering the town.
 |  
 
|  | Ctrl + Assault + Delete Destroy a sentry buster before it reaches its target.
 |  
 
|  | Deus Ex Machina Defeat a wave in an advanced difficulty mission without dying once.
 |  
 
 
|  | Do Androids Dream? As a Scout, use the Sandman to mark 15 robots for death in a single wave.
 |  
 
|  | Engine Block Prevent the bomb from ever reaching an alarm zone during the final wave of an advanced difficulty mission.
 |  
 
|  | Fast Cache Pick up a credit pile that is about to expire.
 |  
 
|  | Frags to Riches Earn all credit bonuses in an advanced difficulty mission.
 |  
 
|  | Get Off My Lawn Play an advanced mission without losing a single gate in Mannhattan.
 |  
 
 
|  | Ghost in the Machine Use a canteen charged with 'Teleport to Spawn' and then kill the bomb carrier within 5 seconds.
 |  
 
|  | Hack of All Trades Play an entire mission as a single class, and do this for every class.
 |  
 
|  | Hard Reset As a Pyro, reset the bomb 3 times in a single wave.
 |  
 
|  | Heavy Mettle During a wave, use rage as a Heavy to push a robot about to deliver the bomb.
 |  
 
 |  | 
 
 
|  | Now Legal To Eat Ooohh Ooh Ahh Ahhhh! ...in Mannhattan
 |  
 
|  | Palace-Aid Kill a tank before it crashes through the barrier in Rottenburg.
 |  
 
 
 
|  | Reanimator 2 Use one ÜberCharge to quickly revive 2 teammates within 5 seconds.
 |  
 
|  | Robot Flush Kill 5 enemies with a single rocket while upgraded with rocket specialist.
 |  
 
|  | Shell Extension During a wave, use a canteen charged with 'Ammo Reload' to refill an empty weapon slot.
 |  
 
|  | Silicon Slaughter Destroy 100,000 robots.
 |  
 
 
|  | Software Downgrade As a team, kill 50 stunned radiowave robots in an advanced mission in Mannhattan.
 |  
 
|  | Spam Blocker During a wave, defend the hatch 10 times from robots about to deliver a bomb.
 |  
 
|  | Spark Plugger As a Sniper, kill 4 enemies simultaneously.
 |  
 
 
|  | System Upgrade Max out all primary weapon upgrades.
 |  
 
|  | T-1000000 Collect 1,000,000 credits in your career.
 |  
 
|  | Tech Wrecker As a Demoman, kill 10 robots in a single detonation.
 |  
 
|  | Turbocharger Buff 4 or more teammates as a Soldier at the same time in a single wave.
 |  
 
|  | Undelete During a wave, use a canteen charged with 'Instant Building Upgrade' to build a new sentry gun within 3 seconds of your previous sentry gun's destruction.
 |  
 
|  | Urban Strike Kill 500 gate crashing robots in Mannhattan.
 |  
 
|  | Vial Sharing As a Medic, share your canteen 5 times in a single wave.
 |  
 
|  | Wage Against the Machine Earn a credit bonus at the end of a wave.
 |  
 
|  | Wall of Pain Block 5,000 damage with the shield as a Medic in a single life.
 |  |