Resident Evil 7: Biohazard: main story about 6.9 hours; story with some extras about 10.9 hours; 100% completion about 26 hours. These are IGDB player-submitted averages from 13 submissions, not a deadline or a prediction of your pace.
Source: IGDB player submissions
Community playtime data is not available for Resident Evil 7: Biohazard yet.
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