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How Long Does Fallout 1 Take to Beat?

Fallout 1’s estimated playtime ranges from about 16 hours for the main story to 32 hours for a completionist run.
Length2 min Posted Quest giverVGSources Team
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Plan on about 16 hours to finish Fallout 1’s main story. A run that includes side content is estimated at about 23 hours, while a completionist playthrough is about 32 hours. These are player-reported HowLongToBeat estimates, not guaranteed playthrough times.

Fallout 1 playtime by goal

Playthrough goal Estimated time What the figure represents
Main story 16 hours HowLongToBeat’s reported main-story estimate, displayed by GOG and IsThereAnyDeal.
Main story plus sides 23 hours Reported estimate for a broader run. The listings do not specify which optional quests contributors include.
Completionist 32 hours Reported estimate for a more thorough run; contributors may not define completionist goals identically.
All styles 22 hours IsThereAnyDeal’s aggregate benchmark, not a tailored prediction for a particular goal.

GOG attributes its playtime figures to HowLongToBeat, and IsThereAnyDeal displays the same main-story, main-plus-sides, and completionist values. The surfaced listings do not state a year for these estimates. GOG’s Fallout listing and IsThereAnyDeal’s Fallout page provide the figures.

Why your playthrough may take more or less time

The estimates summarize reported player time; they do not promise how long any individual save will take. Careful exploration, learning the older systems, and reloading after difficult encounters can add time. Following a route you already know may shorten a run. For planning, choose the category that best matches your goal: 16 hours for the central story, 23 for a run with side content, or 32 for a completionist attempt.

The 150-day limit is in-game time, not real-world playtime

Fallout 1 has a historic in-game deadline that is separate from the hours you spend playing. GamesRadar’s 2025 account describes an original 150-day limit and says it was later lifted with an optional patch. This is a version-sensitive mechanic: the available information does not establish how every current edition handles the limit, so do not treat it as a universal restriction or confuse it with 150 real-world days or hours. GamesRadar’s 2025 report on Fallout 1’s time limit discusses the historical context.

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About the game

Fallout: A Post Nuclear Role Playing Game was developed by Interplay Inc. and published by Bethesda Softworks. Its official Steam listing gives a release date of September 30, 1997, and presents the PC game. View Fallout on Steam.

Quick Recap

Bestseller No. 1
Bestseller No. 2
Fallout Collection - PC
Fallout Collection - PC
UK version, for ages 16+
$49.99
Bestseller No. 3
Fallout 4 - PC
Fallout 4 - PC
Next generation of open-world gaming; Developed by Bethesda Game Studios under the direction of Todd Howard
$9.99
Bestseller No. 4
Fallout 3 - PC
Fallout 3 - PC
Latest in human ability simulation affords unlimited customization of characters; Expansive world in modern super deluxe HD graphics
$57.00
Bestseller No. 5
Best Value
Fallout: New Vegas - PC
  • Feel the Heat in New Vegas! Not even nuclear fallout could slow the hustle of Sin City. Explore the vast expanses of the desert wastelands – from the small towns dotting the Mojave Wasteland to the bright lights of the New Vegas strip.
  • Feuding Factions, Colorful Characters and a Host of Hostiles! A war is brewing between rival factions with consequences that will change the lives of all the inhabitants of New Vegas.
  • New Systems! Enjoy new additions to Fallout: Special melee combat moves have been added to bring new meaning to the phrase "up close and personal".
  • An Arsenal of Shiny New Guns! With double the amount of weapons found in Fallout 3, you’ll have more than enough new and exciting ways to deal with the threats of the wasteland and the locals.
  • Let it Ride! In a huge, open world with unlimited options you can see the sights, choose sides, or go it alone. Peacemaker or Hard Case, House Rules, or the Wild Card - it’s all in how you play the game.
Rank #4
Fallout 3 - PC
  • Fight for survival against terrors of the outside world, radiation, and mutants after nuclear fallout
  • Latest in human ability simulation affords unlimited customization of characters
  • Expansive world in modern super deluxe HD graphics
  • Features ability to pause time in combat, target specific body parts, and queue up attacks
  • 1st or 3rd person perspective
Rank #3
Fallout 4 - PC
  • Next generation of open-world gaming
  • Developed by Bethesda Game Studios under the direction of Todd Howard
  • Fallout 4 is the follow up to the 2008 'Game of the Year' Fallout 3
  • First title from the world-renowned studio since the release of Elder Scrolls V: Skyrim
Rank #2
Fallout Collection - PC
  • UK version, for ages 16+

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