The game Overwatch is an First-Person Shooter game, but for short, FPS.
Overwatch currently has 22 playable characters, and more coming soon!
The game is a team based objective shooting game which relies on cooperations from your team in order to win.

Defense Offense Tank Support
Bastion Genji D.va Mercy
Hanzo McCree Reinhardt Lúcio
Junkrat Pharah Roadhog Zenyatta
Mei Reaper Winston Symmetra
Törbjorn Soldier 76 Zarya Ana
Widowmaker Tracer

^Those are the characters^