IMHO.

Games like Thirty Days

If Thirty Days is your kind of game, the closest matches are Hidden Girls, A Shot in the Dark - Part 1 and Knowledge, or know Lady — picked from the ranked list below. Reviewers single out its atmospheric, emotional and immersive. 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 Thirty Days: Thirty Days is a heavy choice driven Visual Novel, designed to have multiple playthroughs with largely different experiences. Choose from 6 different main characters (3 Female, 3 Male) as you spend a month with 2 very cute 18 year old fraternal twins.

2023IndieEarly Access9.99 USDWindows · macOS · Linuxby 3DRComics
Thirty Days — Steam game cover
Players highlight
Body diversity representation stands outEngrossing story with interesting character arcsExceptional graphics and art quality rare for the genreAtmosphericEmotionalImmersive

Players who liked Thirty Days also play

Steam players who put hours into Thirty Days 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. Hidden Girls

    WHY THIS

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

    Hidden Girls is a relaxing game that combines hidden object gameplay, visual novel storytelling, and anime-style character interaction.

    2026IndieCasual0.79 USDSteam ↗
  2. A Shot in the Dark - Part 1

    WHY THIS

    Shares a mysterious mood with Thirty Days.

    Second-strongest match for Thirty Days fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Thirty Days.

    A Shot in the Dark is a choice-driven adult visual novel about new possibilities and dark secrets.

    2023IndieEarly Access9.99 USDDeck PlayableSteam ↗
  3. Knowledge, or know Lady

    WHY THIS

    Shares choice consequences, replayability, casual and an emotional mood with Thirty Days.

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

    You, the "sole male student" at a women's university, are about to embark on a sweet and laughter-filled campus love journey from a first-person perspective! How will you resist the temptations of the beauties and create your own legend in this girls' school?

    2024StrategyIndieAdventure6.99 USDDeck PlayableSteam ↗
  4. Love X Crotch X GYM

    WHY THIS

    Shares relationship building, visual novel style and casual with Thirty Days.

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

    With a well-toned physique, opportunities for romantic encounters will come knocking on their own. Just imagine, if one day you could spend two months in an all-female fitness center, serving as the exclusive one-on-one personal trainer for these VIP members. How wonderful would that be?

    2024IndieAdventureSimulation15.99 USDSteam ↗
  5. A Foreign World

    WHY THIS

    Shares an atmospheric mood with Thirty Days.

    Ranked #5 for Thirty Days fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Thirty Days.

    A group of superpowered women from another world appears in modern America. In this NSFW visual novel, you earn their trust, copy their abilities, and prepare for a duel that will decide the fate of your world.

    2023IndieSimulationEarly Access19.99 USDDeck PlayableSteam ↗
  6. Life With a College Girl

    WHY THIS

    Shares a melancholic mood with Thirty Days.

    Ranked #6 for Thirty Days fans by collaborative filtering across millions of Steam libraries.

    I became acquainted with a girl called Snow on a sugar daddy site. I asked to meet her out of boredom, but she turned out to be a cute college girl who asked me to bring her home! What was more, the first day I brought her home, she asked to have sex with me without a condom?! What was the story behind this Snow...?

    2023SimulationRPG10.99 USDDeck PlayableSteam ↗
  7. FutaDomWorld

    WHY THIS

    Shares branching narrative and an atmospheric mood with Thirty Days.

    Ranked #7 for Thirty Days fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Thirty Days.

    FutaDomWorld is a dystopian, futanari-femdom dating sim. Let's get weird.

    2021IndieCasualEarly Access18.99 USDSteam ↗
  8. 撩妹模拟器:渣男的秘密

    WHY THIS

    Shares choice consequences, relationship building, dating sim and a tense mood with Thirty Days.

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

    During the pursuit of six beautiful women, you will learn the underlying logic and basic principles of love, chat skills, dating skills, relationship upgrade skills, psychological effects of love, and building framework personality attraction.

    2024ActionIndieSimulation6.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    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 ↗
  3. Cookie Clicker

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  4. WEBFISHING

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~90% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    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 ↗
  6. Buckshot Roulette

    WHY THIS

    Priced ~70% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

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

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Brotato

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    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 ↗
  8. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~50% under Thirty Days on Steam right now. Shares Indie with Thirty Days.

    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 ↗

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. Shares Indie with Thirty Days.

    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. 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 ↗
  3. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. Bongo Cat

    WHY THIS

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

    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 ↗
  6. ENA: Dream BBQ

    WHY THIS

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

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

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

    WHY THIS

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

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

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  8. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗

Frequently asked about Thirty Days

Does Thirty Days work on Steam Deck?
Thirty Days is currently rated Unsupported on Steam Deck. It may not launch or may have significant issues that block normal play.
How much does Thirty Days cost?
Thirty Days is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Thirty Days?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Thirty Days are Hidden Girls, A Shot in the Dark - Part 1, Knowledge, or know Lady.
Who developed Thirty Days?
Thirty Days was developed by 3DRComics.

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 Thirty Days.

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24 Games Like Thirty Days — Ranked for 2026 · imho.run