https://www.polygon.com/2017/8/10/16127750/overwatch-team-deathmatch-update

Overwatch players can finally feel free to stop worrying about getting on the payload, because deathmatch modes are on their way to the game, the studio announced today.

Now available in Overwatch’s Public Test Region — which is exclusive to the Windows PC version of the game — are two new kills-only modes, Deathmatch and Team Deathmatch. The former is limited to eight players, while the latter maintains the game’s traditional six-on-six setup.