BeGone (2010)

BeGone was a 3D browser based multiplayer online first person and third person shooter. The game was released September 11, 2010 and was developed by ProtonStudios. It used to be played for free on nplay.com, logged in or as a guest. If you played as a Guest, you're name would've been "Shooter(any 3 digit number)", but you could even change your name while playing as guest.