Multiplayer gets all the oxygen, but the single-player greats stick with you for years because they build worlds worth living in. Some of them also happen to be massive. If you want a game you can sink 100+ hours into without feeling like you are chasing a checklist, here are 15 that earn the time.
The 100+ hour club
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Red Dead Redemption 2
Rockstar Games turned a western epic into a time machine. The main story alone runs about 50 hours, and that is before you start poking at the endless side stories, stranger encounters, hunting runs, and quiet moments that make Arthur Morgan's redemption arc hit harder. If you want to disappear into a place, this is it. Released October 26, 2018.
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Cyberpunk 2077
Yes, it launched messy. Then CD Projekt Red rebuilt it, capped by the excellent 2023 expansion Phantom Liberty, and Night City finally became the RPG playground it was supposed to be. There are gigs everywhere, dangerous alleys worth exploring, and both the base game and expansion deliver sharp, well-written campaigns. Easily a 100+ hour rabbit hole. Developed by CD Projekt Red. Released December 10, 2020.
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Elden Ring
FromSoftware's open-world Souls game is not just about seeing a 'You Died' screen on repeat. It is about combing through regions that feel discovered, not placed; slamming into innumerable bosses; tinkering with builds until you break the game in delightful ways; and, eventually, becoming Elden Lord. It is a pilgrimage, and it earns every hour. Developed by FromSoftware. Released February 25, 2022.
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Kingdom Come: Deliverance 2
Warhorse Studios doubles down on a grounded medieval RPG where choices stick and survival is as much about planning as it is about swordplay. You are back as Henry, navigating revenge, mercy, and everything in between. The world itself is a game inside the game, with immersion most RPGs only talk about. The Game Awards 2025 nominee is a serious time commitment, in a good way. Released February 4, 2025.
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Grand Theft Auto V
Los Santos is still undefeated as a sandbox. Whether you are chasing heists with Franklin, Michael, and Trevor, grinding side missions, or just taking the long way around the city at sunset, it is dangerously easy to look up and realize you blew past 100 hours. Developed by Rockstar North. Released September 17, 2013.
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The Witcher 3: Wild Hunt
Geralt's hunt for Ciri is the spine; the muscle is everything you do along the way. Side quests are stories worth the detour, monster contracts feel like real work, and then there is Gwent, the card game you swear you will only play once more. It is a towering RPG that respects your time by filling it with meaning. Developed by CD Projekt Red. Released May 19, 2015.
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Death Stranding 2: On the Beach
Call it weird if you want, but Hideo Kojima makes singular games for a reason. This is not just a delivery run; it is rebuilding a broken world and stitching people back together. Expect long stretches through striking, hostile landscapes, planning routes, hauling cargo, and surviving tense run-ins with BTs. The hours add up because the world gets under your skin. Developed by Kojima Productions. Released June 26, 2025.
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Metal Gear Solid V: The Phantom Pain
A stealth sandbox that still feels ahead of its time. Missions are wide open, systems collide in surprising ways, and even after 100 hours you will discover tools and tactics you missed. It is Kojima at full power, and it never stops rewarding curiosity. Developed by Kojima Productions. Released September 1, 2015.
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Assassin's Creed Odyssey
Ancient Greece is big, bright, and impossible to put down. Pick Kassandra or Alexios and tell yourself you will do one more mission before bed. Then do ten. Combat is flashy, naval battles sing, the story stays engaging, and the map hides secrets for days. Developed by Ubisoft Quebec. Released October 5, 2018.
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Horizon Forbidden West
One of the best-looking open worlds also happens to be enormous. Fighting high-tech wildlife is a tactical puzzle every time, Aloy's journey goes bigger and more mature, and the bosses are set-piece monsters in all the right ways. You can burn hours just filling in the map, and you will not mind. Developed by Guerrilla Games. Released February 18, 2022.
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Fallout 4
Boston after the bombs is a playground for tinkerers. You can chase your missing son straight through, sure, but it is the settlements, side quests, faction detours, and character builds that really swallow the clock. Mods and DLC stretch it even further. Developed by Bethesda Game Studios. Released November 10, 2015.
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Baldur's Gate 3
The 2023 Game of the Year winner earns the crown by letting you own your story. Deep systems, generous player agency, and relationships that actually matter all add up to a campaign you can replay forever. Turn-based combat feels smart, not slow, and yeah, you could spend a thousand hours here. Developed by Larian Studios. Released August 3, 2023.
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Assassin's Creed Valhalla
Say what you want about Ubisoft bloat; England as a Viking saga is a massive, inviting sprawl. Exploration pays off, progression is satisfying, the side content leans into mysteries, and the main story will keep you raiding for a long time. It can be meditative one minute and relentless the next. Developed by Ubisoft Montreal. Released November 10, 2020.
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Stalker 2: Heart of Chornobyl
Survival horror can be sprawling, and The Zone proves it. The world is volatile and radioactive, the creatures are nightmare fuel, and the survival mechanics keep tension high. Your choices matter, dynamic events keep you off-balance, and multiple endings invite reruns. Developed by GSC Game World. Released November 20, 2024.
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Persona 5 Royal
The expanded take on Persona 5 is a time-devouring masterpiece. The main story alone clears 100 hours, and the rhythm of stylish turn-based combat, social sim planning, and side activities makes the hours vanish. Live a day, plan the next, build bonds, and steal hearts as a Phantom Thief. Developed by ATLUS. Persona 5 debuted September 15, 2016; Royal is the expanded edition that followed.
If you have a free weekend, you are fine. If you have a free month, even better. Which one are you about to lose sleep to?