Doom’s campaign should take players around 13 hours to complete, according to a tweet from the game’s official account.
.@Unreal389 The difficulty level plays a factor, but folks playing at the office average 13+ hours in the campaign
— DOOM (@DOOM) February 11, 2016
In addition to the 13 hour campaign players will get a host of multiplayer modes and the SnapMap editor to creator their own maps.
Doom will launch for PC, PS4 and Xbox One on May 13.
Source: @DOOM