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Atomfall Devs Expected Fallout Comparisons, Game Lasts About 25 Hours

by Logan Apr 25,2025

At first glance, you might mistake Atomfall for a Fallout-style game. Perhaps, you might even think it's an *actual* Fallout game, but set in a post-apocalyptic England rather than America. Atomfall is first-person, post-nuclear (hence the name), and features an alt-history design, similar to what Fallout is known for.

Ryan Greene, the art director at developer Rebellion, fully understands where the Fallout comparisons are coming from. The development team anticipated these comparisons right from the start.

“Once you play the game, you realize it's not Fallout, but yes, we knew,” Greene told IGN.

“And one of our owners, Jason Kingsley, he's a big Fallout fan, so inevitably there was going to be some parallels. Any kind of survival in the apocalypse immediately brings Fallout to mind. Those guys are great at what they do, and that's cool.”

But Atomfall isn’t really like Fallout at all. This was pointed out by IGN last August when we reported that Atomfall is something much more interesting than a British Fallout.

Indeed, Greene warned that the Fallout comparison is “misleading.”

“Once you play it for a bit, you're like, oh, this is its own thing for sure,” Greene said. He also emphasized that Rebellion isn’t Microsoft-owned Bethesda. The independently owned British studio behind the Sniper Elite franchise has created an ambitious game, but it's not on the scale of an Elder Scrolls or Fallout.

“The reality is, here’s this very successful franchise and we're version 1.0,” Greene continued. “To be compared to those guys… thank you very much… Yes, we appreciate it because that’s a skillful team that's making that stuff.”

Atomfall screenshots

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An average playthrough of Atomfall, according to Greene, is “probably 25-ish hours.” However, completionists can extend that playtime “a long way.”

To get a sense of how the game plays, check out IGN’s most recent Atomfall hands-on preview, where our Simon Cardy went on a killing spree during his playthrough.

It turns out, you can go through the entire game killing everyone, and the game will handle it. “You can kill anyone or everyone if you choose,” Greene confirmed. “That's fine. We have multiple finishes to the game, so some of those would shut down if you were supposed to work with them throughout, but you'll find multiple other routes to finish the game and achieve a result.”

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Atomfall doesn’t have a main quest or side quests in the traditional RPG sense. Instead, “it's a spider web of connected story,” Greene explained.

“So even if you sever one thread, you can usually find another thread that leads you back to the overall mystery.”

Conversely, you can play through Atomfall without killing anyone. At least, Greene is “fairly certain” you can. “I've made it about nine hours in, probably close to halfway running at a pretty fast dev play speed and killed no one,” he said. “I'm fairly certain you can do it and there's no gating of having to kill anyone ever.”