IMHO.

Games like Endless Summer Syndrome

If Endless Summer Syndrome is your kind of game, the closest matches are Thorner, LUNADUN: LUNATIC DUNGEON and REQUIRED SYNERGY WORKSHOP: Deja Damnation — 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.

Get personalized picks →

About Endless Summer Syndrome: You ended the world. She, the one who holds every card, gave you an endless summer as your reward. Now your only way out is through sugar, jellyfish, sunlight, and blood — into the deepest reaches of her mind, or be dissolved along the way. Choose your path in this psycho-thriller visual novel.

IndieAdventureWindows · Linuxby Ampelos Studio
Endless Summer Syndrome — Steam game cover

Players who liked Endless Summer Syndrome also play

Steam players who put hours into Endless Summer Syndrome 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. Thorner

    WHY THIS

    Top pick for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Endless Summer Syndrome.

    Thorner is a horror visual novel with multiple endings. You attempt to escape your past by fleeing to the wilderness, but spilled blood can never be forgiven. The land knows what you did. The land judges. Thorner awaits.

    2027IndieAdventureSteam ↗
  2. LUNADUN: LUNATIC DUNGEON

    WHY THIS

    Second-strongest match for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Endless Summer Syndrome.

    You choose a favorite and walk beside them. But those you left behind — where do they go while you're gone? LUNADUN: LUNATIC DUNGEON is an emotional VN where choices shape the fate of four characters. 'The ones you loved, the ones you ignored — you don't get to walk away from either of them.'

    2026AdventureEarly AccessSteam ↗
  3. REQUIRED SYNERGY WORKSHOP: Deja Damnation

    WHY THIS

    Third-strongest match for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Endless Summer Syndrome.

    A slow-burn psychological horror narrative adventure where every choice leaves a trace. Across nine chapters, unstable memories and fragile relationships pull you into a story where trust always comes with a cost.

    2026AdventureSteam ↗
  4. NULL

    WHY THIS

    Ranked #4 for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Endless Summer Syndrome.

    NULL is an alternate reality game where you talk with Mere, an AI companion, by voice or text. Lost in a strange digital world with no memory of your past, explore eight surreal chapters, face psychological challenges, and choose between staying human or becoming digital.

    2026Adventure4.99 USDSteam ↗
  5. CITADEL

    WHY THIS

    Ranked #5 for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Endless Summer Syndrome.

    Awake from your slumber and venture out to the mighty CITADEL.

    2026IndieAdventureSteam ↗
  6. CORVIDTALISM: Win at Life

    WHY THIS

    Ranked #6 for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Endless Summer Syndrome.

    Help a lazy low life get back up on his feet. Make him work, use persuasion, ignore his cries, and make choices for him. "Don't say you don't want to win at life."

    2026IndieAdventureSimulationSteam ↗
  7. waga-mom

    WHY THIS

    Ranked #7 for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Endless Summer Syndrome.

    ――My curfew is 8 PM. Having a helicopter mom is annoying, but it's not a big deal.

    2026IndieAdventureSteam ↗
  8. This Is Not Your House

    WHY THIS

    Ranked #8 for Endless Summer Syndrome fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Endless Summer Syndrome.

    Crush someone's skull, Suffer from Hypothermia, Transcend your Mortal Frame, Find all 10 Endings. GET YOUR HOUSE BACK.

    2024IndieAdventure0.99 USDSteam ↗

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 Endless Summer Syndrome.

    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. Shares Adventure with Endless Summer Syndrome.

    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 and Adventure with Endless Summer Syndrome.

    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 Endless Summer Syndrome.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Endless Summer Syndrome.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. 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 Endless Summer Syndrome.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Endless Summer Syndrome.

    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 ↗
  8. STRAFTAT

    WHY THIS

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

    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 ↗

Frequently asked about Endless Summer Syndrome

What games are most similar to Endless Summer Syndrome?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Endless Summer Syndrome are Thorner, LUNADUN: LUNATIC DUNGEON, REQUIRED SYNERGY WORKSHOP: Deja Damnation.
Who developed Endless Summer Syndrome?
Endless Summer Syndrome was developed by Ampelos Studio.

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 Endless Summer Syndrome.

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