IMHO.

Games like Abnormal1999:SU - Unlocking the 4th Dimension

If Abnormal1999:SU - Unlocking the 4th Dimension is your kind of game, the closest matches are With in the Obscurity, Escape Everlit and Endless — 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 Abnormal1999:SU - Unlocking the 4th Dimension: SU is a 2.5D deduction puzzle game. The submarine Nautilus suffers a mechanical failure during its voyage. Dr. Pierre investigates and finds anomalies in every area. Explore the deep blue depths, follow Dr. Pierre as he unravels the secrets of the Nautilus.

2024Indie2.99 USDWindowsby QZQ Studio
Abnormal1999:SU - Unlocking the 4th Dimension — Steam game cover

Players who liked Abnormal1999:SU - Unlocking the 4th Dimension also play

Steam players who put hours into Abnormal1999:SU - Unlocking the 4th Dimension 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. With in the Obscurity

    WHY THIS

    Top pick for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    A first-person perspective mystery puzzle-solving game where players immerse themselves in the role of characters involved in each episode's abnormal event to uncover the truth. The plan is to release 1 episodes per month, totaling 6 episodes per season.

    2024IndieAdventure1.99 USDSteam ↗
  2. Escape Everlit

    WHY THIS

    Second-strongest match for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    A narrative-driven sci-fi mystery. Switch between four playable protagonists trapped in an island mansion to explore, investigate, piece together clues from their mysterious past, and uncover the truth behind their predicament.

    2025IndieAdventure10.99 USDSteam ↗
  3. Endless

    WHY THIS

    Third-strongest match for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    《时无烬》是一款时光穿梭的冒险类剧情解谜游戏。玩家通过操作主角解谜收集线索和乘客互动,逐渐揭开他们的故事,解救船上的人们。但船难的真相似乎远没有那么简单,这背后到底隐藏着什么?是灵异事件?亦或是.....

    2022StrategyIndieRPG0.99 USDSteam ↗
  4. Rubbings

    WHY THIS

    Ranked #4 for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    《诡拓》是一款中式民俗微恐风的悬疑推理游戏。你将扮演一名民俗杂志编辑,根据匿名信件中的拓片线索,深入封闭、神秘的睖睁村,这里多年来流传着失踪旅人和诡异祭祀的传说。通过亲历村志中的诡异故事,并在村庄中展开调查,你将逐步揭开埋藏数十年的真相。

    2025StrategyIndieAdventure7.49 USDDeck PlayableSteam ↗
  5. Silent Love

    WHY THIS

    Ranked #5 for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    This is a terrorist decryption adventure game that took place in 1913.

    2023IndieAdventureCasual9.99 USDSteam ↗
  6. The Silent Age

    WHY THIS

    Ranked #6 for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Experience a post-apocalyptic world like never before in The Silent Age, a thrilling point-and-click adventure game. Use time travel to unravel the mystery behind humanity's disappearance and save the world from extinction. Start your journey now!

    2015IndieAdventureCasual9.99 USDDeck PlayableSteam ↗
  7. Orten Was The Case

    WHY THIS

    Ranked #7 for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Orten Was The Case - A free movement puzzle/adventure game where you play as a youngster stuck in a time loop with the simple task of saving the world from literal destruction.

    2023IndieAdventure14.99 USDSteam ↗
  8. Return to Shironagasu Island

    WHY THIS

    Ranked #8 for Abnormal1999:SU - Unlocking the 4th Dimension fans by collaborative filtering across millions of Steam libraries.

    A mystery adventure game and visual novel set on solitary Shironagasu Island. Discover its secrets, solve its mysteries, and escape from the ominous island!

    2020Adventure4.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Abnormal1999:SU - Unlocking the 4th Dimension at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    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 ↗
  2. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~50% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  3. shapez

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  4. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    "Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?" is a fast paced shower-simulation where you shower with your 8-bit dad.It's good, clean fun!

    2015ActionIndieSimulation0.99 USDDeck VerifiedSteam ↗
  5. Montaro

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Montaro is a DOGE.

    2016IndieCasual0.99 USDDeck PlayableSteam ↗
  6. Bit Blaster XL

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

    2016ActionIndieCasual0.99 USDDeck VerifiedSteam ↗
  7. Dictators:No Peace Countryballs

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Dictators : No Peace Countryballs is a war simulation and dictator game. This is a fun,simple and some say a funny countryballs game. If you like simulation games, you will love playing Dictators : No Peace. Play as a dictator of your favourite country and colonize the world.

    2020StrategyIndieSimulation0.99 USDSteam ↗
  8. TYRONE vs COPS

    WHY THIS

    Priced ~67% under Abnormal1999:SU - Unlocking the 4th Dimension on Steam right now. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Awaken the latent power of your melanin and kill cops in this thought-provoking game on police brutality in America.

    2022ActionIndie0.99 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 Abnormal1999:SU - Unlocking the 4th Dimension.

    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 Abnormal1999:SU - Unlocking the 4th Dimension.

    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 Abnormal1999:SU - Unlocking the 4th Dimension.

    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 with Abnormal1999:SU - Unlocking the 4th Dimension.

    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 Abnormal1999:SU - Unlocking the 4th Dimension.

    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 with Abnormal1999:SU - Unlocking the 4th Dimension.

    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. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

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

    2022IndieFreeDeck PlayableSteam ↗

More from QZQ Studio

Other recommendable Steam games by QZQ Studio, ranked by review count so the studio's hits land first.

  1. Abnormal1999:Sector 49

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension.

    Abnormal1999: Sector 49 is a challenging mystery puzzle game. You play as Sam, searching for your daughter in the abandoned Sector 49. Collect 10 consciousnesses to open the portal and escape.

    2024Adventure2.99 USDSteam ↗
  2. MeiQi 2019

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    The "Meiqi" series is a plot-oriented puzzle game. This collection is the beginning of the Meiqi Series, including all 6 episodes of the first season, namely Meiqi/Tingting/Sifeng/Aiguo/Cuilan/Jasmine, This is the entrance to the little universe of Sun Meiqi's mysterious case.

    2024Indie3.99 USDSteam ↗
  3. Hundreds of Mysteries:Wendy's Home2

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Every case has a story behind it! You need to find and collect clues in the scene and reason at every level to find the truth. The clues can be associated or cross-layered.

    2022Indie0.99 USDSteam ↗
  4. MeiQi 2022

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    At the end of 1990, there was a murder in Changzhuang community. Both mother and son were killed. The case is full of doubts. According to the clues, you plan to visit the murder scene alone at night, search for evidence, obtain clues, and crack the truth.

    2022IndieAdventure7.99 USDSteam ↗
  5. 孙美琪疑案:雨儿胡同

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    1992年7月16日,后海湖边槐树下,发现一名女尸,衣着整齐坐在槐树下,颈部缠绕着一根吉他弦,为主要致死原因,双手有被吉他弦勒伤的痕迹,初步判定为自杀。死亡时间约凌晨2点左右,死者叫关雨珑。林警官,请你在错综复杂的线索中,寻找凶案的真相。

    2022IndieAdventure3.99 USDSteam ↗
  6. MeiQi:Story

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Collect new clues and solve new cases in the latest game in the "Meiqi" series. The new chapter "Story" takes place after the pendulum case. Liu Qingchun mustered the courage to walk into Wang Yong's house.

    2022Indie4.99 USDSteam ↗
  7. Project:EagleBeak

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    Project:EagleBeak is a mix of multiple modes of science fiction adventure game.You will play as a prisoner called ANN,imprisoned in an alien laboratory,find a way out of this matrix like laboratory.

    2022ActionStrategyIndie9.99 USDSteam ↗
  8. MeiQi 2020

    WHY THIS

    Another title from QZQ Studio, the studio behind Abnormal1999:SU - Unlocking the 4th Dimension. Shares Indie with Abnormal1999:SU - Unlocking the 4th Dimension.

    The MeiQi Series is an episodic mystery game. This collection contains all of Season2/3/4 and 5,which will be released in 2020,and a special episode. In total there are 25 chapters.

    2023IndieAdventureRPG18.99 USDSteam ↗

Frequently asked about Abnormal1999:SU - Unlocking the 4th Dimension

How much does Abnormal1999:SU - Unlocking the 4th Dimension cost?
Abnormal1999:SU - Unlocking the 4th Dimension is listed on Steam at 2.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Abnormal1999:SU - Unlocking the 4th Dimension?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Abnormal1999:SU - Unlocking the 4th Dimension are With in the Obscurity, Escape Everlit, Endless.
Who developed Abnormal1999:SU - Unlocking the 4th Dimension?
Abnormal1999:SU - Unlocking the 4th Dimension was developed by QZQ 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 Abnormal1999:SU - Unlocking the 4th Dimension.

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