IMHO.

Games like Size Matters

If Size Matters is your kind of game, the closest matches are Escape the Lab, Magnet Mania 3D and Chernobyl: Simulator — picked from the ranked list below. Reviewers single out its challenging, funny and tense. 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 Size Matters: You play as a scientist who is shrinking every second in a race against time! Find all the ingredients and formulas scattered around the laboratory, which are necessary for producing the life-saving antidote. But beware, your time is very precious.

2021ActionIndieAdventureSimulationCasualRacing9.99 USDWindowsby Mazen Games
Size Matters — Steam game cover
Players highlight
Customizable difficulty keeps runs replayableLab equipment interactions feel fresh and chaoticPremise feels like alice in wonderlandChallengingFunnyTense

Players who liked Size Matters also play

Steam players who put hours into Size Matters 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. Escape the Lab

    WHY THIS

    Top pick for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Size Matters.

    “Escape the Lab” – Virtual Reality experience of an Escape Room that focuses on realistic chemical experiments.

    2020IndieSimulationCasual4.99 USDSteam ↗
  2. Magnet Mania 3D

    WHY THIS

    Second-strongest match for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Size Matters.

    Magnet Mania 3D, it's a simulation game for small and big engineers, school children to learn about magnetism and physics.

    2023StrategyIndieAdventure3.99 USDSteam ↗
  3. Chernobyl: Simulator

    WHY THIS

    Shares a tense mood with Size Matters.

    Third-strongest match for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Size Matters.

    Chernobyl Simulator puts you in the control room of the most infamous nuclear power plant in history. Step into the shoes of a reactor operator, where every switch, gauge, and decision matters. Experience the pressure, responsibility, and unforgiving complexity of Soviet-era nuclear operations.

    2026IndieSimulationEarly Access19.99 USDDeck PlayableSteam ↗
  4. Supermarket Duck Dash

    WHY THIS

    Ranked #4 for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Size Matters.

    🦆 Hilarious physics-based shopping chaos! Take control of a mischievous duck and cause supermarket mayhem! Knock products off shelves, complete shopping lists for grumpy old folks, and rack up the biggest receipt. 125+ products, wacky physics, and 3 chaotic game modes! How much can you earn?

    2022ActionIndieCasual0.49 USDDeck PlayableSteam ↗
  5. Crispy Circuits

    WHY THIS

    Ranked #5 for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Size Matters.

    Discover the world of electronics by fixing your hamster’s RC plane. Build real circuits, solve increasingly challenging engineering puzzles, and learn how electronic devices actually work. This wholesome circuitry sim lets you electrocute your hamster without authorities getting involved.

    IndieAdventureSimulationSteam ↗
  6. Automation - The Car Company Tycoon Game

    WHY THIS

    Shares a whimsical mood with Size Matters.

    Ranked #6 for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Size Matters.

    Make your dream cars a reality with Automation’s unparalleled car and engine design tools. Gain a competitive edge through smart engineering and business decisions to help you build an automotive empire. Will you become an industry leader, or just a footnote in automotive history?

    2015StrategyIndieSimulation29.99 USDDeck PlayableSteam ↗
  7. Farming Life

    WHY THIS

    Shares a whimsical mood with Size Matters.

    Ranked #7 for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Size Matters.

    Are you tired of corporate life? Create your own farm! Plant vegetables and fruits, harvest crops, employ workers, take care of animals. Buy farm equipment, manage employees and just relax!

    2021IndieAdventureSimulation9.99 USDDeck PlayableSteam ↗
  8. Restaurant Renovator

    WHY THIS

    Ranked #8 for Size Matters fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Size Matters.

    Become a Restaurant Renovator who knows the recipe for the success and helps failing restaurant to rise from their knees! Create a brand new venue! You can tear down the walls and get rid of the floors, destroy, rebuild, redecorate to make a place of your dreams and get the best reviews!

    ActionStrategyIndieSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Size Matters on Steam right now. Shares Indie and Simulation with Size Matters.

    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 Size Matters on Steam right now. Shares Action and Indie with Size Matters.

    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. Titanfall® 2

    WHY THIS

    Priced ~55% under Size Matters on Steam right now. Shares Action with Size Matters.

    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 ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~50% under Size Matters on Steam right now. Shares Indie and Simulation with Size Matters.

    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 ↗
  5. WEBFISHING

    WHY THIS

    Priced ~50% under Size Matters on Steam right now. Shares Indie and Casual with Size Matters.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~90% under Size Matters on Steam right now. Shares Action and Indie with Size Matters.

    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 ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under Size Matters on Steam right now. Shares Action and Indie with Size Matters.

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

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under Size Matters on Steam right now. Shares Action and Indie with Size Matters.

    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 ↗

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 and Casual with Size Matters.

    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 Action and Adventure with Size Matters.

    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 Size Matters.

    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 Action and Indie with Size Matters.

    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 and Simulation with Size Matters.

    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 and Adventure with Size Matters.

    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 and Simulation with Size Matters.

    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 Action and Indie with Size Matters.

    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 ↗

More from Mazen Games

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

  1. AtmaSphere

    WHY THIS

    Another title from Mazen Games, the studio behind Size Matters. Shares Action and Indie with Size Matters.

    AtmaSphere is roll-a-ball game set in a medieval world which is full of dangerous traps and uncertain paths! Roll all you want, but don't fall off! Collect all diamonds to impress Ballerina, and get Ballard safely to her house!

    2018ActionIndieAdventure3.99 USDSteam ↗
  2. AtmaSphere 2

    WHY THIS

    Shares a tense mood with Size Matters.

    Another title from Mazen Games, the studio behind Size Matters. Shares Action and Indie with Size Matters.

    Embark on a frosty medieval journey! Guide your ball through snowy platforms, conquer obstacles, and collect pickups. With stunning graphics and immersive gameplay, brace yourself for a chilling adventure! Roll to victory in this winter realm!

    2024ActionIndieAdventure4.99 USDSteam ↗
  3. OneShift

    WHY THIS

    Shares a challenging mood with Size Matters.

    Another title from Mazen Games, the studio behind Size Matters. Shares Action and Indie with Size Matters.

    OneShift is a puzzle platformer where the player has the ability to freeze/unfreeze time and shift through worlds to collect blue cubes. But only one world can be active at a time. Later in the game, a world rotating mechanic is unveiled, which makes everything more complex!

    2018ActionIndieAdventure4.99 USDSteam ↗

Frequently asked about Size Matters

How much does Size Matters cost?
Size Matters is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Size Matters?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Size Matters are Escape the Lab, Magnet Mania 3D, Chernobyl: Simulator.
Who developed Size Matters?
Size Matters was developed by Mazen Games and published by GrabTheGames.

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 Size Matters.

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

27 Games Like Size Matters — Ranked for 2026 · imho.run