Review

Atomfall

Rebellion's open world about an alternate-history English nuclear quarantine zone, built around leads and note-reading instead of quest markers. Is it your kind of game?

Open worldInvestigationAlternate historyXboxPlayStationPC

Games like Atomfall

7/10

Game Avant verdict

A tightly packed English quarantine zone that rewards curiosity and note-reading better than almost any game this year, undercut by combat that never grows past its opening hour.

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By GameAvant · Published Sep 30, 2026 · Updated Oct 9, 2026 · 13 min read

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IGDB

73%

40 ratings

Steam:

76%

4,550 reviews

Fits you if

you want an open world that trusts you to connect clues without a waypoint, you enjoy piecing a mystery together from notes and conversations, and you can live with combat that stays simple from start to finish.

Skip it if

you need a quest log with clear objectives, you want combat and stealth with real depth and variety, or you expect a long game rather than a short one built for replaying.

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Steam

$49.99

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Facts

Platforms: Xbox · PlayStation · PC
Release date: March 27, 2025
Length: About 22 hours
Difficulty: 3/5 (estimated)
Genres: Shooter · Role-playing (RPG) · Adventure
Themes: Action · Survival · Open world
Perspective: First person
Modes: Solo only
Languages: 3 languages
Text in your language: Yes
Steam Deck: Verified
Microtransactions: Yes

More about Atomfall

Atomfall is Rebellion Developments' attempt to build an entire open world around curiosity rather than icons cluttering a map, and for the vast majority of its runtime, that specific bet genuinely pays off. Released on 27 March 2025 for PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S and Windows PC, and available day one on Xbox Game Pass, it drops players into an alternate version of England where the real 1957 Windscale nuclear fire was never successfully contained. Five years after that disaster, the contaminated area surrounding the plant has been sealed off as a quarantine zone within a fictionalized version of the Lake District, and the game opens with the player waking up wounded, alone, and without memory inside an underground bunker, guided only by a dying scientist's instruction to reach a location called the Interchange. What makes that opening genuinely distinctive is everything the game deliberately withholds. There is no map marker pointing toward the Interchange, and there is barely a conventional map at all in the sense most open-world games rely on. Instead, Atomfall hands players leads: overheard conversations, scrawled notes, radio transmissions, and environmental clues that have to be actively connected and followed rather than simply tracked via a quest log doing the interpretive work automatically. That investigative structure is the single best idea in the entire game, and it rewards the specific kind of player willing to read carefully, backtrack deliberately, and piece together a coherent picture from scattered, sometimes contradictory fragments of information, rather than the kind of player who expects every objective clearly marked before setting out. The quarantine zone itself is built with real density in mind rather than open-world sprawl for its own sake. Every location tends to connect to multiple leads simultaneously, which means revisiting an area later with new information in hand frequently reveals details that were invisible or meaningless on an earlier pass, rewarding genuine curiosity about the space rather than simply checking boxes off a predetermined list. Where Atomfall falls meaningfully short is combat, and the problem is specific rather than a vague complaint about difficulty. The combat system introduced in the opening hour essentially stays exactly where it started for the rest of the entire campaign, never meaningfully expanding its toolkit or escalating its challenge the way the investigative side of the game continuously does. In a genre where combat and exploration are typically expected to deepen together, Atomfall only delivers that growth on one half of the equation, leaving fights feeling noticeably thinner than the careful detective work surrounding them. That gap keeps the game from the very top tier of its genre, but it does not undo what the investigation itself accomplishes: one of the best pure detective-work loops any open world has built in recent memory.

The thing you'll love. Or hate.

No quest log, no marker

Six endings, no correct one

Combat that never escalates

Not quite for you?

Three alternatives, one line each on why.

Shorter

Similar, but noticeably shorter.

With co-op

Similar, but playable together.

Cheaper or free

Similar, for less money.

Frequently asked questions

How long is Atomfall?: About 22 hours to finish the main story.
Which platforms is Atomfall on?: Atomfall is available on Xbox · PlayStation · PC.
Does Atomfall have co-op?: No, Atomfall is single-player only.
Does Atomfall run on Steam Deck?: Verified
What does Atomfall cost?: $49.99 on Steam.