IMHO.

Games like FriendOS

If FriendOS is your kind of game, the closest matches are Luminary, Nokai and Horde Slayer — 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 FriendOS: FriendOS is a 1-3 player action RPG where viruses must die! Strike and batter your opponents in Cartoon Sports Combat, and create the virtual animal avatar of your dreams. Hang out in lobbies with up to 12 friends and team up to protect the world of FriendOS from virus corruption.

2026ActionIndieAdventureMassively MultiplayerRPGEarly AccessWindows · Linuxby Dog in the Machine
FriendOS — Steam game cover

Players who liked FriendOS also play

Steam players who put hours into FriendOS 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. Luminary

    WHY THIS

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

    "Very Positive" Demo, Luminary is a solo or co-op OpenZone Action RPG that creates a balanced experience for everyone. Using a unique world and character progression system, explore vast hand-crafted lands together, uncover hidden treasures, level up your town, and push back the darkness with light.

    2026ActionIndieAdventureSteam ↗
  2. Nokai

    WHY THIS

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

    Everyone says the north holds answers. Sail there alone or with friends through dangerous waters, explore uncharted islands, and survive what may become the world’s weirdest camping trip. The farther you venture, the weirder and deadlier it becomes...

    2027ActionIndieAdventureSteam ↗
  3. Horde Slayer

    WHY THIS

    Third-strongest match for FriendOS fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with FriendOS.

    A fast-paced co-op action game where you customize your build, survive relentless hordes, and conquer brutal challenges for higher scores and bragging rights.

    2025ActionIndieAdventure7.99 USDSteam ↗
  4. ATLYSS

    WHY THIS

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

    Enter the world of ATLYSS, a Singleplayer/Online RPG where you can fight with or against friends in a surreal world filled with creatures beyond comprehension. Customize and progress your character(s), complete quests, and discover strange locations.

    2024ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  5. Defenders of Etheria

    WHY THIS

    Ranked #5 for FriendOS fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with FriendOS.

    Harness the power of ancient runes, forge mighty gear, and take to the sword against the Old One’s Army in this Co-op "SARPG" (Survivor Action RPG) featuring familiar Dungeon Defenders antagonists and allies!

    ActionRPGSteam ↗
  6. Voodoo Fishin'

    WHY THIS

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

    A creepy-cozy co-op fishing game for 1–4 players with proximity voice chat. Explore a haunted swamp for rare fish, sell your haul by the pound, and try to survive what hunts you in the dark.

    2026ActionIndieAdventure9.99 USDSteam ↗
  7. GREED IS GOOD

    WHY THIS

    Ranked #7 for FriendOS fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with FriendOS.

    In GREED IS GOOD, a PvPvE game, you will enter the mysterious dungeon as a Bounty Hunter. In the game, you need to cooperate with your teammates to fight against enemies and fears. Be aware of the toxic gas and be sure to escape before you are drown out.

    2023ActionStrategyAdventureDeck PlayableSteam ↗
  8. Sharded World

    WHY THIS

    Ranked #8 for FriendOS fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with FriendOS.

    Sharded World is a reversed bullet hell, rogue-lite, ARPG game combining simple gameplay and great rpg progression. Each level has its own unique features and challenges. Upgradable characters, weapons and orbs. Challenges, daily quests, and leaderboards. Fight, get stronger and defeat the Lich!

    2023ActionIndieAdventure4.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    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 ↗
  2. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  4. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Massively Multiplayer with FriendOS.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. 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 FriendOS.

    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 ↗
  7. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  8. Our Life: Beginnings & Always

    WHY THIS

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

    A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.

    2020IndieFree To PlayCasualFreeSteam ↗

Frequently asked about FriendOS

Does FriendOS have multiplayer or co-op?
Yes — FriendOS supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to FriendOS?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside FriendOS are Luminary, Nokai, Horde Slayer.
Who developed FriendOS?
FriendOS was developed by Dog in the Machine.

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 FriendOS.

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