IMHO.

Games like Relay Protocol

If Relay Protocol is your kind of game, the closest matches are The 4 Masked, No One Left To Die and The Unshared — 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 Relay Protocol: Relay Protocol is a logic-based puzzle game built around experimentation, spatial reasoning, and energy-based mechanics. Redirect lasers, manipulate energy signals, and use specialized characters to solve interconnected test chambers inside a mysterious industrial facility.

2026IndieEarly AccessWindowsby Gustavo Rios
Relay Protocol — Steam game cover

Players who liked Relay Protocol also play

Steam players who put hours into Relay Protocol 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. The 4 Masked

    WHY THIS

    Top pick for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    A 4-player co-op FPS adventure where you swing through trees using vines, escape wild animals, and survive dangerous biomes. Each player has a unique role, and teamwork is the key to survival.

    2026ActionIndieAdventureSteam ↗
  2. No One Left To Die

    WHY THIS

    Second-strongest match for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    A generation ship with an unclear objective, housing an expendable crew tasked with waking up passengers to complete the mission... No One Left To Die is a short, sci-fi, action-puzzle-platformer that can be completed solo or with friends in a nuanced cooperative and competitive environment.

    2026ActionIndieAdventure5.99 USDSteam ↗
  3. The Unshared

    WHY THIS

    Third-strongest match for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    A two-player online co-op puzzle climb where each of you sees a different truth on your own screen. Talk through the safe tiles, the right colours, and the real path, scale twenty floors of a hostile corporate Spire, and trust what you hear. Your voice is the controller.

    IndieAdventureCasualSteam ↗
  4. Rolling Ball: HD Remaster

    WHY THIS

    Ranked #4 for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    Once classic rolling ball game, now back in HD remaster!

    2025StrategyIndieSimulation59.99 USDSteam ↗
  5. Super Marble Brothers

    WHY THIS

    Ranked #5 for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    Precision 3D platform game with cooperative or single player challenges above the clouds.

    2020ActionIndieAdventure3.99 USDSteam ↗
  6. Infinite Einstein Tiles Together

    WHY THIS

    Ranked #6 for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    Infinite Einstein Tiles Together is an online cooperative jigsaw puzzle game featuring the true einstein tile. Up to 8 players can piece together a single puzzle side by side.

    2027IndieCasualSteam ↗
  7. Sixth Force

    WHY THIS

    Ranked #7 for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    Harness the Sixth Force: a bond that keeps you close and powers your energy whips. Levitate, swing, freeze obstacles, fight ridiculous enemies, and solve puzzles on the run through sweet chaos in a comedy co-op adventure for two where something stranger waits just beneath the sugar coating.

    2026ActionIndieAdventureFreeSteam ↗
  8. Shadowbound

    WHY THIS

    Ranked #8 for Relay Protocol fans by collaborative filtering across millions of Steam libraries. Shares Indie with Relay Protocol.

    Shadowbound is a minimalist 3D platforming and puzzle journey where light is your enemy and shadow your only ally. Overcome short challenges, manipulate light, and recover lost colors to rebuild the memories of a lifetime.

    2026ActionIndieAdventureSteam ↗

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.

    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. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  4. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  5. UNBEATABLE [white label]

    WHY THIS

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

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Paper Lily - Chapter 1

    WHY THIS

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

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗
  7. 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 ↗
  8. Z.A.T.O. // I Love the World and Everything In It

    WHY THIS

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

    USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.

    2025IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗

Frequently asked about Relay Protocol

Does Relay Protocol have multiplayer or co-op?
Yes — Relay Protocol supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to Relay Protocol?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Relay Protocol are The 4 Masked, No One Left To Die, The Unshared.
Who developed Relay Protocol?
Relay Protocol was developed by Gustavo Rios.

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 Relay Protocol.

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