IMHO.

Games like Prime Prism

If Prime Prism is your kind of game, the closest matches are OmNomNom, Flecto and SYSCALL: RING ZERO — 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 Prime Prism: Numbers are light; logic is the lens. "Prime Prism" is a pure logic puzzle game themed around prime numbers and factorization. Construct circuits of light using optical tools like "Prisms" and "Lenses" to decompose and synthesize numbers. Over 140 stages across 11 worlds await your challenge.

2026Indie11.04 USDWindowsby Totori Works
Prime Prism — Steam game cover

Players who liked Prime Prism also play

Steam players who put hours into Prime Prism 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. OmNomNom

    WHY THIS

    Top pick for Prime Prism fans by collaborative filtering across millions of Steam libraries.

    A clever grid-based puzzler about thinking ahead: queue movement commands for a hungry animal, watch them execute, and debug your route when things go wrong. Each level introduces new mechanics like keys, switches, hazards, and jumps, turning simple paths into satisfying logic challenges.

    2026CasualSteam ↗
  2. Flecto

    WHY THIS

    Second-strongest match for Prime Prism fans by collaborative filtering across millions of Steam libraries.

    Flecto is a puzzle game where you place blocks in order to deflect bullets and shatter targets. Strategically use your tiles to split bullets, bounce them around each level, and destroy every target.

    2026StrategyCasualSteam ↗
  3. SYSCALL: RING ZERO

    WHY THIS

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

    Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!

    2026StrategyIndieSimulation12.74 USDSteam ↗
  4. Deductum

    WHY THIS

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

    Minimalistic puzzle game where you build formal logical proofs.

    2025StrategyIndieCasual4.99 USDSteam ↗
  5. Paper Flags

    WHY THIS

    Ranked #5 for Prime Prism fans by collaborative filtering across millions of Steam libraries. Shares Indie with Prime Prism.

    A two-player abstract strategy game on a 9×9 board. Fold your pieces to advance diagonally. Unfold them into flags — moving like rooks across rank and file. Plant three flags on your opponent's back row, or cut their forces to three.

    2026StrategyIndieCasualSteam ↗
  6. Sudoku Atlas

    WHY THIS

    Ranked #6 for Prime Prism fans by collaborative filtering across millions of Steam libraries.

    Premium, distraction-free Sudoku: no ads, no accounts, no internet. Eleven grid sizes (4×4–25×25), deterministic seeded puzzles, full keyboard/mouse/touch support, and a high-contrast, colorblind-friendly design. Buy once, own it forever.

    2026Casual4.99 USDSteam ↗
  7. while True: learn()

    WHY THIS

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

    You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works!

    2019IndieSimulation12.99 USDDeck VerifiedSteam ↗
  8. The Farmer Was Replaced

    WHY THIS

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

    Program and optimize a drone to automate a farm and watch it do the work for you. Collect resources to unlock better technology and become the most efficient farmer in the world. Improve your problem solving and coding skills.

    2025StrategyIndieSimulation9.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~55% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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 ~55% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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. Slay the Spire

    WHY THIS

    Priced ~43% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~55% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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 ~55% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~91% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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 ~73% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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. OneShot

    WHY THIS

    Priced ~46% under Prime Prism on Steam right now. Shares Indie with Prime Prism.

    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 ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  2. Travellin Cats in Paris

    WHY THIS

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

    Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!

    2023IndieFree To PlayCasualFreeDeck VerifiedSteam ↗
  3. Steam Engine Simulator

    WHY THIS

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

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedSteam ↗
  4. Coloring Pixels

    WHY THIS

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

    A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.

    2018IndieFree To PlayCasualFreeSteam ↗
  5. Eternal Senia

    WHY THIS

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

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗
  6. There Is No Game: Jam Edition 2015

    WHY THIS

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

    A little game that’s not a game, winner of an old game jam that nobody’s ever heard of. So DON'T INSTALL IT!

    2020IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  7. Z.A.T.O. // I Love the World and Everything In It

    WHY THIS

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

    USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.

    2025IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  8. Control, I'm Not Coming Back

    WHY THIS

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

    Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.

    2026IndieAdventureFree To PlayFreeSteam ↗

Frequently asked about Prime Prism

How much does Prime Prism cost?
Prime Prism is listed on Steam at 11.04 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Prime Prism?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Prime Prism are OmNomNom, Flecto, SYSCALL: RING ZERO.
Who developed Prime Prism?
Prime Prism was developed by Totori Works.

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 Prime Prism.

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