IMHO.

Games like Undertale

If Undertale is your kind of game, the closest matches are The Sword That Kills Christmas, DELTARUNE and Astromeda — picked from the ranked list below. Reviewers single out its characters are well developed, soundtrack enhances emotional impact and writing quality is exceptional. 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.

Get personalized picks →

Undertale is a 2015 Indie RPG developed by tobyfox and available for $9.99 USD. The game is playable on Steam Deck. Players describe the experience as atmospheric, emotional, and poignant, with reviewers highlighting well-developed characters and a soundtrack that enhances the emotional impact of the story. The game features choice-consequences and non-linear storytelling that lead to multiple endings, distinguishing it from traditional RPGs where combat is the primary focus. It holds a 97% positive rating from over 160,000 Steam reviews.

About Undertale: UNDERTALE! The RPG game where you don't have to destroy anyone.

2015IndieRPG9.99 USDDeck PlayableMetacritic 92Windows · macOS · Linuxby tobyfox
Undertale — Steam game cover
Players highlight
Characters are well developedSoundtrack enhances emotional impactWriting quality is exceptionalAtmosphericEmotionalPoignant

Players who liked Undertale also play

Steam players who put hours into Undertale 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 Sword That Kills Christmas

    WHY THIS

    Top pick for Undertale fans by collaborative filtering across millions of Steam libraries. Shares Indie and RPG with Undertale.

    On this journey your choices dictate everything. You might end up poisoning one of Santa's reindeers or trying to find your mom (you're an orphan) or something entirely different. Where will your path lead?

    2023IndieRPG7.11 USDSteam ↗
  2. DELTARUNE

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Second-strongest match for Undertale fans by collaborative filtering across millions of Steam libraries. Shares Indie and RPG with Undertale.

    Dive into the parallel story to UNDERTALE! Fight or spare your way through action-packed battles as you explore a mysterious world alongside an endearing cast of new and familiar characters. Chapters 1-4 will be available on launch, with more planned as free updates!

    2025IndieRPG24.99 USDDeck VerifiedSteam ↗
  3. Astromeda

    WHY THIS

    Third-strongest match for Undertale fans by collaborative filtering across millions of Steam libraries. Shares RPG with Undertale.

    ASTROMEDA is a story-driven RPG set on an Earth ruled by intelligent bacteria. Combining turn based strategy with real-time movement, you explore a mysterious, living world, encounter expressive characters, and uncover secrets that reach beyond it.

    AdventureRPGSteam ↗
  4. Faith of Fate

    WHY THIS

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

    The Fate Of This World Is On Your Hands, What Will You Do? Heaven Or Hell?

    2020IndieAdventure2.99 USDSteam ↗
  5. Emily is Away Too

    WHY THIS

    Shares multiple endings and an atmospheric mood with Undertale.

    Ranked #5 for Undertale fans by collaborative filtering across millions of Steam libraries. Shares Indie and RPG with Undertale.

    Emily is Away Too is a brand new story featuring new characters and multiple different endings. Message your friends, surf the web and choose your path through this branching narrative.

    2017IndieAdventureSimulation4.99 USDDeck PlayableSteam ↗
  6. Unlucky Seven

    WHY THIS

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

    Unlucky Seven will take you on a space walk and tell you a story about love, hate, and craving for human flesh.

    2024ActionIndieAdventure7.99 USDSteam ↗
  7. Super Ledgehop: Double Laser

    WHY THIS

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

    Cutie anime girl realizes her cool big bro is missing?? Cheese it up with Chizuru and SHOOT TO THE BEAT OF THE SONG in this top down bullet hell shooter! Absorb enemy bullets using your waveshines to utilize their bullets as your own! Show those cheeseheads that you're better!

    2018ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  8. Candice DeBébé's Incredibly Trick Lifestyle

    WHY THIS

    Ranked #8 for Undertale fans by collaborative filtering across millions of Steam libraries. Shares Indie and RPG with Undertale.

    Candice DeBébé's Incredibly Trick Lifestyle is a saucy, scandalous 3D Action RPG about a young woman with a heart, voice and fake tan of gold.

    2016IndieAdventureRPG4.99 USDSteam ↗

Reviewers mention these as similar to Undertale

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. DELTARUNE

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares Indie and RPG with Undertale.

    Dive into the parallel story to UNDERTALE! Fight or spare your way through action-packed battles as you explore a mysterious world alongside an endearing cast of new and familiar characters. Chapters 1-4 will be available on launch, with more planned as free updates!

    2025IndieRPG24.99 USDDeck VerifiedSteam ↗
  2. moon: Remix RPG Adventure

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares RPG with Undertale.

    Don't be a hero. Experience the love. Experience moon. moon is an anti-RPG steeped in story and character, mood and music.

    2021AdventureRPG13.29 USDDeck VerifiedSteam ↗
  3. In Stars And Time

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares RPG with Undertale.

    Live with the ever-present burden of being trapped in a time loop only you can know about in this turn-based RPG. Create a better future for you and your friends. Find hope where there is none left. Pray to the stars and free yourself from time.

    2023RPG19.99 USDDeck VerifiedSteam ↗
  4. Pony Island

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares Indie with Undertale.

    Pony Island is a suspense puzzle game in disguise. You are in limbo, trapped in a malevolent and malfunctioning arcade machine devised by the devil himself. It is not a game about ponies.

    2016Indie4.99 USDDeck VerifiedSteam ↗
  5. Botanica: Earthbound Collector's Edition

    WHY THIS

    Reviewers of Undertale cross-mention this title as a similar play.

    Play as both Ellie and Ian, two scientists stranded on Botanica. Can you save your friends and find your way home?

    2018AdventureCasual19.99 USDSteam ↗
  6. Kentucky Route Zero: PC Edition

    WHY THIS

    Shares non linear storytelling and an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares Indie with Undertale.

    KENTUCKY ROUTE ZERO is a magical realist adventure game about a secret highway running through the caves beneath Kentucky, and the mysterious folks who travel it.

    2013IndieAdventure24.99 USDDeck VerifiedSteam ↗
  7. Inscryption

    WHY THIS

    Shares an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares Indie with Undertale.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  8. OneShot

    WHY THIS

    Shares multiple endings and an atmospheric mood with Undertale.

    Reviewers of Undertale cross-mention this title as a similar play. Shares Indie with Undertale.

    OneShot is a surreal top down Puzzle/Adventure game with unique gameplay capabilities. You are to guide a child through a mysterious world on a mission to restore its long-dead sun. The world knows you exist.

    2016IndieAdventureCasual5.99 USDSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

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

    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 Undertale on Steam right now. Shares Indie and RPG with Undertale.

    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 Undertale on Steam right now. Shares Indie with Undertale.

    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 Undertale on Steam right now. Shares Indie with Undertale.

    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 Undertale on Steam right now. Shares Indie with Undertale.

    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 Undertale on Steam right now. Shares Indie with Undertale.

    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 Undertale on Steam right now. Shares Indie and RPG with Undertale.

    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 Undertale on Steam right now. Shares Indie with Undertale.

    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

    Shares an emotional mood with Undertale.

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

    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 Undertale.

    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 Undertale.

    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 Undertale.

    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 Undertale.

    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 Undertale.

    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 Undertale.

    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 Undertale

Does Undertale run on Steam Deck?
Undertale is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Undertale cost?
Undertale is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Undertale?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Undertale are The Sword That Kills Christmas, DELTARUNE, Astromeda.
Who developed Undertale?
Undertale was developed by tobyfox.

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 Undertale.

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