Doom 3 gameplay. this feature is not available right now. please try again later.. Master sergeant thomas kelly is one of the first characters the player meets in doom 3.he is at the top of the enlisted chain of command on the mars base at marine hq. though he appears to be somewhat cold, he is well respected for his duties and leadership.. Doom 3 is pretty much a reboot of doom with slightly better graphics and a lot less things to shoot. this makes it really not like doom at all except that it takes place on mars with a portal to hell, aside that doom never took place on mars, but its moons deimos & phobos. you get to fight slow.
Sabaoth is the third boss in doom 3. he is encountered in the level central processing: primary server bank in the cpu chamber. killing him will reward the player with a bfg 9000. sabaoth is actually sergeant kelly after his demonic transformation. his lower half has been replaced with a.... Doom 3 is a science fiction horror video game developed by id software and published by activision. the player's non-comissioned officer in-charge is master sergeant thomas kelly, voiced by neil ross, who gives the player objectives and advice over the player's radio for the first half of the game.. For doom 3 on the pc, a gamefaqs message board topic titled "when does sergeant kelly ..(spoiler)"..