DOOM 3: main story about 24 hours; story with some extras about 37.3 hours. These are IGDB player-submitted averages from 2 submissions, not a deadline or a prediction of your pace.
| Playthrough | Average time |
|---|---|
| Main story | 24 hours |
| Story with some extras | 37.3 hours |
Source: IGDB player submissions, 2 submissions, last updated December 2025.
About 24 hours to beat the main story of DOOM 3, and about 37 hours with some of the side content. The story figure is the average for players who went to the credits without much of the side content, so a playthrough that wanders runs longer.
About 24 hours for the main story and 37 hours with some extras, going by the averages IGDB players have logged.
Community playtime data is not available for DOOM 3 yet. Tracked platforms include Steam.
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