How wide is the arc which the Spy can perform a backstab?
180°
Also keep in mind that you don't need to actually face the same direction as the victim, as long as you hit the back area.
There's more info at the TF2 Wiki
180°
Also keep in mind that you don't need to actually face the same direction as the victim, as long as you hit the back area.
There's more info at the TF2 Wiki