Question 1

How many copies has Doom sold?

Accepted Answer

200,000 copies (as of January 1995; Source: PC Zone / Computer and Video Games).

Question 2

How many people have played Doom?

Accepted Answer

6 million players (as of June 2002; Source: PC Zone / Computer and Video Games).

Question 3

What was Doom's all-time peak of concurrent players on Steam?

Accepted Answer

2,668 players (as of August 2024; Source: SteamCharts).

Question 4

How many hours does it take to beat Doom's main story?

Accepted Answer

5 hours (as of October 2026; Source: HowLongToBeat).

Doom in numbers

About how many copies of Doom sold in its first year?

Metric	Number	Date	Source
Copies soldCopies sold (full version) in roughly the first year	200,000 copies	January 1995	PC Zone / Computer and Video Games
Total playersPlayers of the shareware version (free first episode), estimate	6 million players	June 2002	PC Zone / Computer and Video Games
Peak concurrent players (Steam)All-time Steam peak (SteamCharts) · Steam version, only tracked since 2012	2,668 players	August 2024	SteamCharts
Length (main story)HowLongToBeat, Main Story	5 hours	October 2026	HowLongToBeat