IMHO.

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
    Dreamjob: Programmer Simulator - Learn Programming Games — Steam game cover

    Dreamjob: Programmer Simulator - Learn Programming Games

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

    A programmer's career sim. Acquire actual coding skills while playing! Learn programming from zero, earn skill points, change your office, create devices and games with visual programming. Our code learning game is a perfect introduction to Python, C++, C#, Java, or JavaScript.

    StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    IT MOVES! - Build Your Own Robot — Steam game cover

    IT MOVES! - Build Your Own Robot

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

    Build working robots by wiring visual signal graphs, then watch, diagnose, and tune them in deterministic simulations. Grow a repair shop from its first piston to PID control, autonomous navigation, robot arms, and a walking humanoid.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    IT THINKS! - Build Your Own GPU — Steam game cover

    IT THINKS! - Build Your Own GPU

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

    Design the chip that powers AI. Start with a single logic gate and build a computer: wire circuits, cast designs into reusable chips, program tiny kernels, and scale your architecture into a working GPU.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    11111Game — Steam game cover

    11111Game

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

    Master addition in different bases. Slide tiles to add them, take advantage of overflow mechanic and game's grid.

    2022Casual11.11 USDSingle-playerSimilar games →
  5. 5
    Colorgrid — Steam game cover

    Colorgrid

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

    Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.

    2019StrategyCasual0.99 USDSingle-playerSimilar games →
  6. 6
    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 →
  7. 7
    Finite State Automaton Challenges 2 — Steam game cover

    Finite State Automaton Challenges 2

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

    In the second episode of Finite State Automation Challenges, you will use finite-state automata to overcome 80 challenges from character string manipulation, computer science, and mathematics.

    2023StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  8. 8
    CUPRUM2929 — Steam game cover

    CUPRUM2929

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

    After waking up disoriented near the sea, a young kid must navigate through an enigmatic city controlled by AI screens, searching for their missing dog, Pythagora. Solve intricate puzzles housed in unique locations and unravel the secrets of this advanced island and reunite with your companion.

    2026IndieAdventureRPG6.10 USDSingle-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 →