These achievements can only be earned while playing the Sniper class, by getting a certain number of these achievements you unlock new Sniper weapons:
| Unlockable: | How to unlock: |
| Australian Rules | Dominate an enemy Sniper. |
| Be Efficient | Get 3 kills with the Sniper Rifle without missing a shot. |
| Be Polite | Provide an enemy with a freezecam shot of you doffing your hat. |
| Beaux And Arrows | Kill a Heavy & Medic pair with the bow. |
| Consolation Prize | Get backstabbed 50 times. |
| De-sentry-lized | Destroy 3 Engineer sentry guns. |
| Dead Reckoning | Kill an enemy with an arrow while you're dead. |
| Dropped Dead | Kill a Scout in midair with your Sniper Rifle or the Huntsman. |
| Enemy At The Gate | Kill an opponent within the first second of a round. |
| Friendship Is Golden | Extinguish a burning teammate with your Jarate. |
| Have A Plan | Capture the flag in CTF. |
| Jarate Chop | Jarate and then kill 3 enemies with your Kukri. |
| Jarring Transition | Use Jarate to reveal a cloaked Spy. |
| Jumper Stumper | Kill a rocket or grenade-jumping enemy in midair with your Sniper Rifle or the Huntsman. |
| Kill Everyone You Meet | Kill 1000 enemies. |
| Kook The Spook | Kill 10 Spies with your Kukri. |
| My Brilliant Career | Top the scoreboard 10 times on teams of 6 or more players. |
| Not A Crazed Gunman, Dad | In a single life, kill 3 enemies while they are achieving an objective. |
| Number One Assistant | Score 5 assists with the Jarate in a single round. |
| Parting Shot | Headshot an enemy player the moment his invulnerability wears off. |
| Pincushion | Hit an enemy with 3 arrows, without killing them. |
| Rain On Their Parade | Jarate an enemy and the Medic healing him. |
| Robbin’ Hood | Take down an intelligence carrier with a single arrow. |
| Rode Hard, Put Away Wet | Jarate an enemy that you're dominating. |
| Saturation Bombing | Jarate 4 enemy players with a single throw. |
| Self-destruct Sequence | Headshot 10 enemy Snipers. |
| Shafted | Stab an enemy with an arrow. |
| Shock Treatment | Kill a spy whose backstab attempt was blocked by your Razorback. |
| Shoot The Breeze | Kill a fully invisible Spy in a single hit. |
| Socket To Him | Headshot an enemy Demoman. |
| The Last Wave | Provide an enemy with a freezecam shot of you waving to them. |
| Triple Prey | In a single round, kill the same enemy with 3 different weapons. |
| Trust Your Feelings | Get 5 kills with the Sniper Rifle without your scope. |
| William Tell Overkill | Pin an enemy Heavy to the wall via his head. |
| Überectomy | Kill a Medic that is ready to deploy an ÜberCharge. |
