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Single-player games like Npc Problems: Vertex Coloring

Below are 15 single-player Steam games similar to Npc Problems: Vertex Coloring, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Npc Problems: Vertex Coloring page.

Ranked picks

  1. 1
    while True: learn() — Steam game cover

    while True: learn()

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie with Npc Problems: Vertex Coloring.

    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 VerifiedSingle-playerSimilar games →
  2. 2
    The Last Cube — Steam game cover

    The Last Cube

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Cube puzzler and an epic adventure. Stamp stickers to the sides of your cube to imbue each surface with unique powers, which are vital to solving puzzles and finding secrets.

    2022IndieAdventureCasual19.99 USDSingle-playerSimilar games →
  3. 3
    SpaceChem — Steam game cover

    SpaceChem

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie with Npc Problems: Vertex Coloring.

    Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

    2011IndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Human Resource Machine — Steam game cover

    Human Resource Machine

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.

    2015IndieSimulationCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Sokobond — Steam game cover

    Sokobond

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie with Npc Problems: Vertex Coloring.

    Sokobond is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science.

    2014Indie14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    The Farmer Was Replaced — Steam game cover

    The Farmer Was Replaced

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    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.

    2025StrategyIndieSimulation6.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Virtual Circuit Board — Steam game cover

    Virtual Circuit Board

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required.

    Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.

    2023Simulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Trolley Problem, Inc. — Steam game cover

    Trolley Problem, Inc.

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Trolley Problem, Inc. is a darkly comedic narrative game based on real-world philosophical papers, in which you are asked to make a series of impossible choices from two awful answers. Wrestle with your moral compass, decide the fate of millions – and compare your choices with the rest of the world.

    2022IndieSimulationCasual1.09 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Save Room - Organization Puzzle — Steam game cover

    Save Room - Organization Puzzle

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    When you enter a save room you know you are safe, no danger can come to you, you can relax. Take advantage of this short period of time to organize your inventory, heal your wounds and reload your weapons. Can you make all the items fit in your inventory?

    2022IndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Save Room - The Merchant — Steam game cover

    Save Room - The Merchant

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Immerse yourself in the Save Room, a place of safety and respite. Master inventory management while interacting with the enigmatic merchant. Buy, sell, and acquire crucial items to conquer every challenge. Not only will you need cash, but you'll need GUTS to finish this game!

    2023IndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    How To Bathe Your Cat — Steam game cover

    How To Bathe Your Cat

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    It is well known that cats aren' t really fond of water, but, as pet owners, we know that sometimes a good bath is welcome. Use bombs and blocks to channel the water and clean your cat!

    2021IndieCasual0.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Samurai Cat — Steam game cover

    Samurai Cat

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Samurai Cat is a puzzle game based on checkers where you control Mr. Jack, a remaining cat in a world conquered by mice. Use cheese to lure the mice to vantage positions and help Mr. Jack eliminate them all with just one movement.

    2021StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  13. 13
    How To Bathe Your Cat: Drawing — Steam game cover

    How To Bathe Your Cat: Drawing

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    It is well known that cats aren' t really fond of water, but, as pet owners, we know that sometimes a good bath is welcome. Draw and use bombs to channel the water and clean your cat!

    2021IndieCasual0.99 USDSingle-playerSimilar games →
  14. 14
    How To Bathe Your Cat: Impossible Mission — Steam game cover

    How To Bathe Your Cat: Impossible Mission

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Bathing a cat is a difficult task, but sometimes it's necessary. Use drills, blowers, rockets and a grappling hook to destroy the ground and make the water reach the cat! Can you complete this hard mission?

    2022IndieCasual0.99 USDSingle-playerSimilar games →
  15. 15
    The Auto Sort Is Broken — Steam game cover

    The Auto Sort Is Broken

    Single-player alternative to Npc Problems: Vertex Coloring — playable solo, no multiplayer required. Shares Indie and Casual with Npc Problems: Vertex Coloring.

    Set in a universe parodying poorly managed MMORPGs, even the inventory sort feature has stopped working. It's now up to you to organize the players' messy bags and handle their occasional complaints.

    2025IndieCasual2.99 USDSingle-playerSimilar games →