Compare Serious Sam 4 Steam Key prices across trusted key stores and find the best deal. Developed by Croteam. Published by Devolver Digital. Released on 9/24/2020. Available on PC, Xbox. Genres: Action, Adventure, Indie. Metacritic score: 68/100.

Serious Sam 4 is a loud, relentless FPS that pits you against absurd enemy hordes across massive outdoor arenas. Brains optional, trigger finger mandatory.

Okay, full disclosure: Serious Sam 4 is not the kind of game I usually champion. My inbox is usually full of atmospheric walking sims and hand-painted RPGs. But here is the thing about this Croteam production - it does exactly what it promises, with zero apology, and there is something almost admirable about that kind of commitment to a single idea. The idea being: shoot everything, reload, shoot more things, occasionally be buried under a hundred skeletal enemies at once. This is an old-school FPS set just before the events of Serious Sam 3: BFE, following Sam Stone and his squad through a demon-infested Earth that includes the Italian countryside, a French cathedral, and a chaotic moon base segment that goes exactly as unhinged as you would expect. The level design is mostly large open spaces built to accommodate the game's signature Legion System, which can reportedly populate battlefields with thousands of enemies simultaneously. When it works, you get these genuinely overwhelming firefights that feel like a stress test for both your hardware and your composure. When it does not work, you get frame drops and a slight sense that the chaos is masking emptiness rather than amplifying tension. The arsenal is classic Serious Sam - double-barreled shotgun, minigun, rocket launcher, laser rifle, and a few new additions like the auto shotgun and a sci-fi gadget slot system that lets you slot in active abilities such as a bullet-time dash, a personal black hole, or a mech suit summon. These gadgets genuinely shake up the formula and give players some build flexibility within what is otherwise a pretty rigid run-and-gun loop. The campaign is playable solo or in four-player co-op, and the co-op mode is where the game finds its best version of itself - coordinating gadget cooldowns with friends across a horde of Kleer skeletons and Kamikazes (yes, the screaming headless bombers are back) is chaotic fun that requires very little strategy and delivers immediate satisfaction. Where the game stumbles is in its story and production ambition. Croteam clearly wanted cinematic cutscenes and a more structured narrative this time around, but the budget does not quite stretch to support the vision. Character dialogue swings between self-aware comedy and flat action-movie quips that do not always land, and some of the indoor environments feel noticeably cheaper than the grand outdoor vistas. The Metacritic score of 68 reflects this unevenness honestly. Critics were not wrong to note that it feels like a mid-tier release trying to compete in a landscape that has moved on, but player reviews tell a different story - 83% positive from over seventeen thousand reviews suggests the audience it was made for found exactly what they were looking for. Is it artistically ambitious? No. Does the soundtrack have the haunting quality I look for? Not especially - it is propulsive metal riffs designed to keep your adrenaline spiked, functional rather than evocative. But here is my genuine take: Serious Sam 4 knows its own identity completely, and for a franchise this committed to pure mechanical chaos, that self-awareness counts for something. If you are searching for a co-op shooter where thinking is actively discouraged and the enemy count is genuinely absurd, this delivers that with practiced efficiency. Kai, Scout Team

Serious Sam 4 Steam Key

Serious Sam 4 Steam Key

Sep 24, 2020CroteamDevolver Digital
GamerScout Says

Serious Sam 4 is a loud, relentless FPS that pits you against absurd enemy hordes across massive outdoor arenas. Brains optional, trigger finger mandatory.

PCXbox
Steam Deck VerifiedProtonDB Gold
Best Price Available
€0.00
at N/A
Historical low: €4.35

GamerScout Verdict

Best for co-op FPS fans who want pure, brainless horde chaos and have friends willing to dive in alongside them.

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Price History

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€4.3519 Jun 2026
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About Serious Sam 4 Steam Key

Okay, full disclosure: Serious Sam 4 is not the kind of game I usually champion. My inbox is usually full of atmospheric walking sims and hand-painted RPGs. But here is the thing about this Croteam production - it does exactly what it promises, with zero apology, and there is something almost admirable about that kind of commitment to a single idea. The idea being: shoot everything, reload, shoot more things, occasionally be buried under a hundred skeletal enemies at once. This is an old-school FPS set just before the events of Serious Sam 3: BFE, following Sam Stone and his squad through a demon-infested Earth that includes the Italian countryside, a French cathedral, and a chaotic moon base segment that goes exactly as unhinged as you would expect. The level design is mostly large open spaces built to accommodate the game's signature Legion System, which can reportedly populate battlefields with thousands of enemies simultaneously. When it works, you get these genuinely overwhelming firefights that feel like a stress test for both your hardware and your composure. When it does not work, you get frame drops and a slight sense that the chaos is masking emptiness rather than amplifying tension. The arsenal is classic Serious Sam - double-barreled shotgun, minigun, rocket launcher, laser rifle, and a few new additions like the auto shotgun and a sci-fi gadget slot system that lets you slot in active abilities such as a bullet-time dash, a personal black hole, or a mech suit summon. These gadgets genuinely shake up the formula and give players some build flexibility within what is otherwise a pretty rigid run-and-gun loop. The campaign is playable solo or in four-player co-op, and the co-op mode is where the game finds its best version of itself - coordinating gadget cooldowns with friends across a horde of Kleer skeletons and Kamikazes (yes, the screaming headless bombers are back) is chaotic fun that requires very little strategy and delivers immediate satisfaction. Where the game stumbles is in its story and production ambition. Croteam clearly wanted cinematic cutscenes and a more structured narrative this time around, but the budget does not quite stretch to support the vision. Character dialogue swings between self-aware comedy and flat action-movie quips that do not always land, and some of the indoor environments feel noticeably cheaper than the grand outdoor vistas. The Metacritic score of 68 reflects this unevenness honestly. Critics were not wrong to note that it feels like a mid-tier release trying to compete in a landscape that has moved on, but player reviews tell a different story - 83% positive from over seventeen thousand reviews suggests the audience it was made for found exactly what they were looking for. Is it artistically ambitious? No. Does the soundtrack have the haunting quality I look for? Not especially - it is propulsive metal riffs designed to keep your adrenaline spiked, functional rather than evocative. But here is my genuine take: Serious Sam 4 knows its own identity completely, and for a franchise this committed to pure mechanical chaos, that self-awareness counts for something. If you are searching for a co-op shooter where thinking is actively discouraged and the enemy count is genuinely absurd, this delivers that with practiced efficiency.

Kai
Kai · Scout Team

Indie & narrative

Tags

steamHorde ShooterCo-op CampaignOld-School FPSGadget SystemLarge BattlefieldsLegion System4-Player Co-opEnemy VarietyCo-opArena CombatCrowd ControlSatirical ToneOpen EnvironmentsMetal Soundtrack

System Requirements

Minimum

OS
Windows 10 64-bit
Processor
4-core CPU @ 2.5 GHz
Memory
8 GB RAM
Graphics
nVidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM) DirectX…

Recommended

OS
Windows 10 64-bit (1909)
Processor
8-core CPU @ 3.3 GHz
Memory
16 GB RAM
Graphics
nVidia GeForce 1080/2060 or AMD Radeon Vega64/5700 (8 GB VRAM)…

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Reviews & Ratings

Metacritic
68
Steam
83%(17,354)

Game Info

Developer
Croteam
Publisher
Devolver Digital
Release Date
Sep 24, 2020

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Frequently asked questions about Serious Sam 4 Steam Key

How much does Serious Sam 4 Steam Key cost?

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What platforms is Serious Sam 4 Steam Key available on?

Serious Sam 4 Steam Key is available on PC, Xbox.

When was Serious Sam 4 Steam Key released?

Serious Sam 4 Steam Key was released on 24 September 2020.

Who developed Serious Sam 4 Steam Key?

Serious Sam 4 Steam Key was developed by Croteam and published by Devolver Digital.

Is Serious Sam 4 Steam Key worth buying?

Serious Sam 4 Steam Key holds a Metacritic score of 68/100, making it one of the standout Action titles. See the full reviews, ratings and how-long-to-beat times on this page to decide.