IMHO.

Games like beta decay

If beta decay is your kind of game, the closest matches are Zombie Survival Game Online, Night of the Dead and Soulmask — picked from the ranked list below. 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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About beta decay: beta decay is a dark, dystopian RPG where you can build spaceships, join factions, and fight for territory in a newly discovered star system. Become an engineer repairing starships, a mech pilot commanding war machines, to a syndicate leader, executing raids deep within a labyrinthic neon city.

ActionIndieAdventureSimulationRPGEarly AccessWindows · macOSby Rotoscope Studios
beta decay — Steam game cover

Players who liked beta decay also play

Steam players who put hours into beta decay 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. Zombie Survival Game Online

    WHY THIS

    Top pick for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    Zombie Survival Game Online is an open-world, post-apocalyptic, looter shooter. Craft, quest, explore, build, and fight for survival. Parkour up a mountainside, ramp a truck over a horde, and grab a gasmask to explore the sewers. Can you survive? Doubtful.

    2023ActionStrategyIndie3.99 USDDeck PlayableSteam ↗
  2. Night of the Dead

    WHY THIS

    Second-strongest match for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    'Night of the Dead' is an open-world game that combines elements of exploration, tower defense, survival, and crafting. Traverse a world dominated by zombies while collecting various resources and powerful equipment. Build a fortress to survive the hordes of zombies that swarm every night!

    2024ActionIndieAdventure29.99 USDDeck PlayableSteam ↗
  3. Soulmask

    WHY THIS

    Third-strongest match for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with beta decay.

    Don the Ancient Mask. Wield the power of gods. Possess any of your tribespeople, recruit followers, and build a thriving automated civilization. Survive, expand, and forge your own legacy across a vast ancient open world — together with friends.

    2026IndieAdventureSimulation29.99 USDDeck PlayableSteam ↗
  4. Heat

    WHY THIS

    Ranked #4 for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    Survive the wilderness, build a home, raise a family, and expand your territory. Gain power as President, deliver justice as Sheriff, fight for your tribe as Chief, or show some southern hospitality as Governor. Begin your new life in 19th century America.

    2020ActionIndieAdventure19.99 USDSteam ↗
  5. Reign Of Kings

    WHY THIS

    Ranked #5 for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    Struggle to survive in a harsh medieval world. Hunt wildlife, mine resources, build structures, and craft weapons and armor in order to protect yourself. You may form a guild, bring war to all opposition, and try to seize the throne and become king!

    2015ActionIndieAdventure9.99 USDSteam ↗
  6. Creativerse

    WHY THIS

    Ranked #6 for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    A sandbox adventure game as big as your imagination.

    2017ActionIndieAdventure24.99 USDDeck PlayableSteam ↗
  7. Necesse

    WHY THIS

    Ranked #7 for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with beta decay.

    Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  8. Castle Story

    WHY THIS

    Ranked #8 for beta decay fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with beta decay.

    Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.

    2017StrategyIndieSimulation9.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with beta decay.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with beta decay.

    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 ↗
  3. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with beta decay.

    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 ↗
  4. The Lab

    WHY THIS

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

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  5. 93, Kuindzhi

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with beta decay.

    Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.

    2026IndieAdventureFree To PlayFreeSteam ↗
  6. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Simulation with beta decay.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗
  7. SuchArt: Creative Space

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with beta decay.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Hello Neighbor Alpha 2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with beta decay.

    Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.

    2019StrategyIndieAdventureFreeSteam ↗

Frequently asked about beta decay

Does beta decay have multiplayer or co-op?
Yes — beta decay supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to beta decay?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside beta decay are Zombie Survival Game Online, Night of the Dead, Soulmask.
Who developed beta decay?
beta decay was developed by Rotoscope Studios.

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 beta decay.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.