0 0 0This achievement can be obtained as a Sniper, on any map and gamemode. But I think ctf_2fort is the best.First, the enemy team need to have at least one demoman.Second, just find him and kill with headshot.After that, the achievement is yours.
0 0 0Requires a Dummy accountOpen the command console: ESC > Gear Icon > Under the keyboard tab select Advanced > Check off Enable Developer ConsolePress the ` button to open the console and type:map ctf_2fort; hostname "boost"; sv_lan 0; sv_cheats 0; (I had to input this twice to be detected on my LAN for some reason)That will create your match. Choose Sniper on the Red Team. Then type the following command:Make the Dummy account a Demoman. Take him to an open area where you can snipe him and shoot him in the head.