IMHO.

Games like Checkmate Protocol

If Checkmate Protocol is your kind of game, the closest matches are Starboys, Blendead and Sand Eaters — 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 Checkmate Protocol: Protect the King at all costs! Fight alone, or team up with an arsenal of rifles, handguns, and chainsaws to defeat waves of oncoming attackers. Chess has changed a lot since you last played... Welcome to the real world, nerd.

ActionIndieCasualWindowsby Grozner Games
Checkmate Protocol — Steam game cover

Players who liked Checkmate Protocol also play

Steam players who put hours into Checkmate 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. Starboys

    WHY THIS

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

    Third-person arena shooter where gravity is a weapon. Run on walls, fight on ceilings, and flip mid-air to outplay friends in fast 1v1–4v4 matches (up to 8). Customize your Starboy and build arenas with the in-game editor.

    ActionIndieSteam ↗
  2. Blendead

    WHY THIS

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

    Find me. I'm right in front of you. A multiplayer blend-and-seek where you pose as an NPC in a crowd — one mistake and you're dead.

    ActionIndieCasualSteam ↗
  3. Sand Eaters

    WHY THIS

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

    Sand Eaters is a sci-fi co-op shooter. Define your playstyle through deep customization—from lightweight speed demons to heavy armored gunners. Deploy lethal units called "Instruments" to battle evolving threats across hostile regions.

    ActionSteam ↗
  4. Lunar Drifter

    WHY THIS

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

    Lunar Drifter is an Arcade First Person Shooter, your mission is to tear, blast, and crush an entire legion as fast as possible within the time limit. Featuring 4 playable characters with their own gimmicks and arsenal, more than 15 unique hand-crafted levels, and includes online Co-Op!

    2026ActionIndieSteam ↗
  5. Skyfear

    WHY THIS

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

    Join the prehistoric dragon wars. Dominate the skies in fast-paced aerial arena combat. Complete battle after battle to develop your own appearance, loadout, and mastery of your skills.

    2025ActionIndieCasual14.99 USDSteam ↗
  6. Prop Revolt

    WHY THIS

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

    A prop hunt where being seen is a resource. Hide among more than 500 everyday objects and survive – or let the Hunters stare, taunt them, charge the Revolt and fight back as a team. The line between hiding and attacking is a thin one. Will you outlast the Hunters or take them down? You decide!

    2026ActionIndieCasualSteam ↗
  7. Astro Yoinkers

    WHY THIS

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

    Team up with your fellow Astro Yoinkers in this fast-paced multiplayer CTF. Physics-based grappling across moving asteroids, yoink enemy crystals, and vaporize lobbies with orbital strike satellites.

    2026ActionSportsIndieSteam ↗
  8. Coven: All Powerful

    WHY THIS

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

    A chaotic spell-slinging party brawler where Sages clash in ever-changing magical realms. Stack wild enchantments, unleash devastating spells and combos, and outlast your friends in fast, unpredictable battles full of pure arcane mayhem.

    2026ActionStrategyIndieFreeSteam ↗

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 with Checkmate Protocol.

    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. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  3. Bongo Cat

    WHY THIS

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

    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 ↗
  4. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

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

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  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 Checkmate 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 ↗
  7. STRAFTAT

    WHY THIS

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

    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 ↗
  8. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗

Frequently asked about Checkmate Protocol

Does Checkmate Protocol have multiplayer or co-op?
Yes — Checkmate Protocol supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to Checkmate Protocol?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Checkmate Protocol are Starboys, Blendead, Sand Eaters.
Who developed Checkmate Protocol?
Checkmate Protocol was developed by Grozner Games.

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 Checkmate Protocol.

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