IMHO.

Games like S.T.A.L.K.E.R.: Clear Sky

If S.T.A.L.K.E.R.: Clear Sky is your kind of game, the closest matches are S.T.A.L.K.E.R.: Call of Pripyat, S.T.A.L.K.E.R.: Shadow of Chernobyl and Just Survival - The Zombie Awakening — picked from the ranked list below. Reviewers single out its atmosphere is immersive, atmospheric and grim. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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S.T.A.L.K.E.R.: Clear Sky is a 2008 first-person open-world survival shooter and RPG set in a post-apocalyptic exclusion zone, developed by GSC Game World. This standalone prequel follows the Clear Sky faction as they research and understand the dangerous region, featuring faction warfare, territory control, crafting, mutant encounters, and scanner usage for navigation and resource detection. Players report the atmosphere is immersive, with the faction-war system engaging and the upgrade system impactful. The game is challenging and lengthy with grinds session dynamics, supporting only solo play. Priced at $19.99, it holds an 81% positive rating from over 5,100 Steam reviews and is not supported on Steam Deck.

About S.T.A.L.K.E.R.: Clear Sky: S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better.

2008ActionRPG19.99 USDMetacritic 75Windowsby GSC Game World
S.T.A.L.K.E.R.: Clear Sky — Steam game cover
Players highlight
Atmosphere is immersiveFaction war system is engagingGraphics are best in seriesAtmosphericGrimMelancholic

Players who liked S.T.A.L.K.E.R.: Clear Sky also play

Steam players who put hours into S.T.A.L.K.E.R.: Clear Sky also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. S.T.A.L.K.E.R.: Call of Pripyat

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Top pick for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there.

    2010ActionRPG19.99 USDDeck PlayableSteam ↗
  2. S.T.A.L.K.E.R.: Shadow of Chernobyl

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Second-strongest match for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes.

    2007ActionRPG19.99 USDSteam ↗
  3. Just Survival - The Zombie Awakening

    WHY THIS

    Third-strongest match for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Just Survival - The Zombie Awakening is a early access version of a 4 Year Post-Apocalyptic Zombie Survival Open World MMOPG. This new survival game, immerses you in a unique earth as humanity is fighting back & teaming up to Survive the Infected Zombie Hordes! Visit "about this" page for more Info.

    2023ActionAdventureSimulation7.99 USDSteam ↗
  4. Left 4 Dead 2

    WHY THIS

    Shares a tense mood with S.T.A.L.K.E.R.: Clear Sky.

    Ranked #4 for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSteam ↗
  5. Humanity Lost

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Ranked #5 for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.

    2021ActionAdventureRPG3.99 USDSteam ↗
  6. Killing Floor 2

    WHY THIS

    Ranked #6 for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.

    2016Action29.99 USDDeck PlayableSteam ↗
  7. Metro Exodus

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Ranked #7 for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.

    2020Action29.99 USDDeck PlayableSteam ↗
  8. Dying Light

    WHY THIS

    Ranked #8 for S.T.A.L.K.E.R.: Clear Sky fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.

    2015ActionRPG24.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below S.T.A.L.K.E.R.: Clear Sky at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Lethal Company

    WHY THIS

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  3. Left 4 Dead 2

    WHY THIS

    Shares a tense mood with S.T.A.L.K.E.R.: Clear Sky.

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSteam ↗
  4. People Playground

    WHY THIS

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Portal 2

    WHY THIS

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  6. Fallout: New Vegas

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  7. Undertale

    WHY THIS

    Priced ~50% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares RPG with S.T.A.L.K.E.R.: Clear Sky.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  8. Vampire Survivors

    WHY THIS

    Priced ~75% under S.T.A.L.K.E.R.: Clear Sky on Steam right now. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  7. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  8. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗

More from GSC Game World

Other recommendable Steam games by GSC Game World, ranked by review count so the studio's hits land first.

  1. S.T.A.L.K.E.R. 2: Heart of Chornobyl

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    Discover the vast Chornobyl Exclusion Zone full of dangerous enemies, deadly anomalies and powerful artifacts. Unveil your own epic story as you make your way to the Heart of Chornobyl. Make your choices wisely, as they will determine your fate in the end.

    2024ActionAdventureRPG59.99 USDSteam ↗
  2. S.T.A.L.K.E.R.: Shadow of Chernobyl

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes.

    2007ActionRPG19.99 USDSteam ↗
  3. S.T.A.L.K.E.R.: Call of Pripyat

    WHY THIS

    Shares an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there.

    2010ActionRPG19.99 USDDeck PlayableSteam ↗
  4. Cossacks 3

    WHY THIS

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action with S.T.A.L.K.E.R.: Clear Sky.

    Cossacks 3 is the return of RTS classics. Obtain resources, build cities and research technologies while taking command of great armies, crushing enemies in grand historical warfares on land and sea!

    2016ActionStrategyAdventure19.99 USDSteam ↗
  5. S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition

    WHY THIS

    Shares crafting and an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Shadow of Chornobyl, the first chapter of the Legends of the Zone Trilogy, which started it all.

    2025ActionAdventureRPG19.99 USDDeck VerifiedSteam ↗
  6. S.T.A.L.K.E.R.: Call of Prypiat - Enhanced Edition

    WHY THIS

    Shares weapon upgrades, crafting and an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Call of Prypiat follows the story of special service agent Major Degtyarev as he investigates the fate of a lost expedition.

    2025ActionAdventureRPG19.99 USDDeck VerifiedSteam ↗
  7. Cossacks: Back to War

    WHY THIS

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky.

    Cossacks: Back to War contains all of the gameplay features of Cossacks: European Wars and Cossacks: The Art of War, this is a complete care package for all current and future Cossacks fans. This add-on contains two new nations: Switzerland and Hungary.

    2010Strategy4.99 USDSteam ↗
  8. S.T.A.L.K.E.R.: Clear Sky - Enhanced Edition

    WHY THIS

    Shares territory control, weapon upgrades and an atmospheric mood with S.T.A.L.K.E.R.: Clear Sky.

    Another title from GSC Game World, the studio behind S.T.A.L.K.E.R.: Clear Sky. Shares Action and RPG with S.T.A.L.K.E.R.: Clear Sky.

    S.T.A.L.K.E.R.: Clear Sky is the prequel chapter of the Legends of the Zone Trilogy. With the ability to directly influence the balance of power through Faction Wars, step into the boots of Scar — a seasoned mercenary, able to somehow survive deadly Emissions.

    2025ActionAdventureRPG19.99 USDDeck VerifiedSteam ↗

Frequently asked about S.T.A.L.K.E.R.: Clear Sky

Does S.T.A.L.K.E.R.: Clear Sky work on Steam Deck?
S.T.A.L.K.E.R.: Clear Sky is currently rated Unsupported on Steam Deck. It may not launch or may have significant issues that block normal play.
How much does S.T.A.L.K.E.R.: Clear Sky cost?
S.T.A.L.K.E.R.: Clear Sky is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
Does S.T.A.L.K.E.R.: Clear Sky have multiplayer or co-op?
Yes — S.T.A.L.K.E.R.: Clear Sky supports multi-player play according to its Steam store listing (Multi-player, Online PvP, LAN PvP).
What games are most similar to S.T.A.L.K.E.R.: Clear Sky?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside S.T.A.L.K.E.R.: Clear Sky are S.T.A.L.K.E.R.: Call of Pripyat, S.T.A.L.K.E.R.: Shadow of Chernobyl, Just Survival - The Zombie Awakening.
Who developed S.T.A.L.K.E.R.: Clear Sky?
S.T.A.L.K.E.R.: Clear Sky was developed by GSC Game World and published by GSC World Publishing.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on S.T.A.L.K.E.R.: Clear Sky.

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