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Fallout: New Vegas vs Subnautica

Which game takes longer to beat? Here's the side-by-side breakdown.

VS
MetricFallout: New VegasSubnautica
Main Story29h29h
Main + Extras63h42h
Completionist133h67h
Released20102018
DeveloperObsidian EntertainmentUnknown Worlds

Verdict

Fallout: New Vegas is the longer game by about 21 hours on a typical playthrough (63h vs 42h for Subnautica).

If you only have time for one and prefer a tighter experience, Subnautica wraps up faster. If you want the longer ride, go with Fallout: New Vegas.

For completionists, Fallout: New Vegas clocks in at 133 hours total, while Subnautica sits at 67 hours.