IMHO.

Games like OPEN UP SIR!

If OPEN UP SIR! is your kind of game, the closest matches are Too Deep To Quit, Wish Impossible and Pirate Panic! — 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 OPEN UP SIR!: Co-op for 2–4 players about firefighters: you take on funny and dangerous calls — rescue, extinguish, and break things.

ActionIndieAdventureWindowsby ZweiBier Indie
OPEN UP SIR! — Steam game cover

Players who liked OPEN UP SIR! also play

Steam players who put hours into OPEN UP SIR! 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. Too Deep To Quit

    WHY THIS

    Top pick for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    Grab your gear and your friends for a hilarious, golden-age co-op adventure! Dive into cursed temples, hunt for the ultimate treasure, and work together to stay alive. Beware of everything and everyone... after all, only the survivors get to split the gold!

    2026ActionIndieAdventureSteam ↗
  2. Wish Impossible

    WHY THIS

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

    Wish Impossible is a 1–4 player online co-op physics game where tiny gingerbread cookies sneak into sleeping homes to grant Christmas wishes — without waking anyone up. Move oversized objects, use ridiculous tools, and survive the chaos your friends create.

    ActionIndieAdventureSteam ↗
  3. Pirate Panic!

    WHY THIS

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

    You are drunken pirates exploring the sea with a very unstable physics boat and your movement affects its balance. Find treasure using paper maps and haul it across a treacherous ocean in your pirate quest for riches. 1-4 players and yes, the treasure *will* fall on the way back, sorry!

    ActionIndieAdventureSteam ↗
  4. Mingus

    WHY THIS

    Ranked #4 for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    Clear the planet of funny fruits & vegetables - Minguses. You are the astronaut use the grabber to throw props, stratagems, bombs. Play an online co-op 1-4 players. Try to fight with mingus or become.. Chicken?

    ActionIndieAdventureSteam ↗
  5. Sky Pirates

    WHY THIS

    Ranked #5 for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    A co-op game where you play as pirates sailing the skies aboard a flying ship, searching for treasure and growing ever richer. But beware… wealth attracts greed!

    ActionIndieAdventureSteam ↗
  6. Ship or Burn! Coop express

    WHY THIS

    Ranked #6 for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    Someone's order is on fire? At least the train keeps going! Load up the parcels, toss everything into the furnace, and off we go! Zombie consumers after your cargo? Into the furnace! Online co-op for 1–4 players about delivery, chaos and greed.

    ActionIndieAdventureSteam ↗
  7. Monkey Bizniz

    WHY THIS

    Ranked #7 for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    An online co-op physics game about collecting bananas for the Monkey King's feast — fill your cart, find the summit, and try not to blame your friends when it all goes wrong.

    2026ActionIndieAdventureSteam ↗
  8. Caravan Bazar

    WHY THIS

    Ranked #8 for OPEN UP SIR! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OPEN UP SIR!.

    Caravan Bazar is a chaotic co-op physics adventure in a procedurally generated world. Find precious loot, load it into your cart, punch gnomes, fight trolls, repair broken wheels. Try to survive and reach the end. Complete missions, fly on gliders and live the life of a goblin.

    2027ActionIndieAdventureSteam ↗

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 OPEN UP SIR!.

    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 OPEN UP SIR!.

    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 OPEN UP SIR!.

    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. Shares Indie and Adventure with OPEN UP SIR!.

    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 and Indie with OPEN UP SIR!.

    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. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with OPEN UP SIR!.

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

    2022IndieFreeDeck PlayableSteam ↗
  7. Awaria

    WHY THIS

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  8. The Expendabros

    WHY THIS

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

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗

Frequently asked about OPEN UP SIR!

Does OPEN UP SIR! have multiplayer or co-op?
Yes — OPEN UP SIR! supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to OPEN UP SIR!?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside OPEN UP SIR! are Too Deep To Quit, Wish Impossible, Pirate Panic!.
Who developed OPEN UP SIR!?
OPEN UP SIR! was developed by ZweiBier Indie.

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 OPEN UP SIR!.

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