Doom Developers Estimate Campaign Should Last 13+ Hours

id Software has claimed the campaign in its upcoming Doom should take players around 13+ hours to complete. The news comes via a recent post on the official Doom Twitter account, in response to a question regarding the game’s length.
The developers note that difficulty level will play a factor but that “folks playing at the office average 13+ hours in the campaign.”.@Unreal389 The difficulty level plays a factor, but folks playing at the office average 13+ hours in the campaign