IMHO.

Games like Day: 40

If Day: 40 is your kind of game, the closest matches are Agony, Resident Evil Village and Resident Evil 7 Biohazard — 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 Day: 40: The journey began with the deluge of rain which flooded the earth for 39 days. On day 40, it stops. Mysteries can be discovered and solved while facing gruesome enemies along the way. Experience thrilling survival horror combined with first person combat in an open world full of exploration.

2019Action10.99 USDWindowsby Andrew Grbac
Day: 40 — Steam game cover

Players who liked Day: 40 also play

Steam players who put hours into Day: 40 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. Agony

    WHY THIS

    Top pick for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Agony is a first-person, survival horror set in hell. You will begin your journey as a tormented soul within the depths of hell without any memories about your past. The special ability to control people on your path, and possess demons, gives you the measures to survive.

    2018ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  2. Resident Evil Village

    WHY THIS

    Second-strongest match for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Experience survival horror like never before in the 8th major installment in the Resident Evil franchise - Resident Evil Village. With detailed graphics, intense first-person action and masterful storytelling, the terror has never felt more realistic.

    2021Action39.99 USDDeck VerifiedSteam ↗
  3. Resident Evil 7 Biohazard

    WHY THIS

    Third-strongest match for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.

    2017ActionAdventure19.99 USDDeck VerifiedSteam ↗
  4. Outlast 2

    WHY THIS

    Ranked #4 for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.

    2017ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  5. The Beast Inside

    WHY THIS

    Ranked #5 for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.

    2019ActionIndieAdventure24.99 USDDeck PlayableSteam ↗
  6. Maid of Sker

    WHY THIS

    Ranked #6 for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!

    2020ActionIndieAdventure4.74 USDDeck PlayableSteam ↗
  7. ZOMBI

    WHY THIS

    Ranked #7 for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

    2015ActionAdventure19.99 USDSteam ↗
  8. Dead by Daylight

    WHY THIS

    Ranked #8 for Day: 40 fans by collaborative filtering across millions of Steam libraries. Shares Action with Day: 40.

    Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits. Pick a side and step into a world of tension and terror with horror gaming's best asymmetrical multiplayer.

    2016Action7.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Day: 40 at current Steam store prices.

  1. Vampire Survivors

    WHY THIS

    Priced ~55% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  2. Titanfall® 2

    WHY THIS

    Priced ~59% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  3. How to Fish

    WHY THIS

    Priced ~55% under Day: 40 on Steam right now. Shares Action with Day: 40.

    A 1-4 player physics based fishing simulator. While drinking and boating you suddenly crash into a small island. To work your way back home you have to learn How to Fish.

    2026ActionIndieSimulation4.95 USDDeck PlayableSteam ↗
  4. POSTAL 2

    WHY THIS

    Priced ~91% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  5. Buckshot Roulette

    WHY THIS

    Priced ~73% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDSteam ↗
  6. Brotato

    WHY THIS

    Priced ~55% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  7. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~55% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Master your technique, execute flashy combos, and outsmart opponents across the world, frame-by-frame. Slow down the clock to fine-tune your fighting style in this innovative, turn-based combat simulator. Pulverize your friends and choreograph spectacular fight scenes. No training mode required.

    2023ActionStrategyIndie4.99 USDDeck PlayableSteam ↗
  8. ROUNDS

    WHY THIS

    Priced ~45% under Day: 40 on Steam right now. Shares Action with Day: 40.

    Rounds is a 1v1 rogue-lite shooter where each round gets more intense. The losing player of each round unlocks clever upgrades to create a better build to counter their opponent.

    2021ActionIndie5.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

    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. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

    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 ↗
  5. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

    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 ↗
  6. Hello Neighbor Alpha 2

    WHY THIS

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

    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 ↗
  7. Nightmare House: The Original Mod

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

    Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Hog Hunter 2021

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Day: 40.

    Hog hunter is a short atmospheric game about catching hogs out in the wild, be careful though not everything in the woods is safe...

    2021ActionIndieFree To PlayFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Resident Evil Village

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Day: 40.

    Experience survival horror like never before in the 8th major installment in the Resident Evil franchise - Resident Evil Village. With detailed graphics, intense first-person action and masterful storytelling, the terror has never felt more realistic.

    2021Action39.99 USDDeck VerifiedSteam ↗
  2. Resident Evil 7 Biohazard

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Day: 40.

    Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.

    2017ActionAdventure19.99 USDDeck VerifiedSteam ↗
  3. Dead by Daylight

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Day: 40.

    Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits. Pick a side and step into a world of tension and terror with horror gaming's best asymmetrical multiplayer.

    2016Action7.99 USDDeck VerifiedSteam ↗

Frequently asked about Day: 40

How much does Day: 40 cost?
Day: 40 is listed on Steam at 10.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Day: 40?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Day: 40 are Agony, Resident Evil Village, Resident Evil 7 Biohazard.
Who developed Day: 40?
Day: 40 was developed by Andrew Grbac.

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 Day: 40.

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