IMHO.

Single-player games like Holiday Mosaics Halloween Puzzles

Below are 15 single-player Steam games similar to Holiday Mosaics Halloween Puzzles, 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 Holiday Mosaics Halloween Puzzles page.

Ranked picks

  1. 1
    Day D: Tower Rush — Steam game cover

    Day D: Tower Rush

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required.

    Onwards to the past! Learn the real power of science! Help the professor and his loyal companion deal with hordes of dinosaurs.

    2016ActionSportsStrategy14.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Gorogoa — Steam game cover

    Gorogoa

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Gorogoa is an elegant evolution of the puzzle genre, told through a beautifully hand-drawn story designed and illustrated by Jason Roberts. Winner of Debut Game at the 2018 BAFTA Games Awards, as well as Best Mobile Game and the Innovation Award at the GDC 2018 Choice Awards.

    2017IndieAdventureCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Linelight — Steam game cover

    Linelight

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Linelight is an elegant puzzle game set in a world of lines.

    2017ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Pikuniku — Steam game cover

    Pikuniku

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Pikuniku is an absurdly wonderful puzzle-exploration game that takes place in a strange but playful world where not everything is as happy as it seems. Help peculiar characters overcome struggles, uncover a deep state conspiracy, and start a little revolution in this delightful dystopian adventure!

    2019ActionIndieAdventure12.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    A Story About My Uncle — Steam game cover

    A Story About My Uncle

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    A Story About My Uncle is a first person platforming adventure game about a boy who searches for his lost uncle, and ends up in a world he couldn’t imagine existed. The movement is a crucial part of the games core gameplay – focusing on swinging through the world with a grappling hook that gives the player a wonderful sense of speed and...

    2014IndieAdventureCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    FORM — Steam game cover

    FORM

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Enter a surreal adventure where puzzles are built from dreams and memories. Solve the mystery behind an ancient artifact. Advance through a world that transforms around you. Transcend this existence.

    2017IndieAdventureCasual14.99 USDSingle-playerSimilar games →
  7. 7
    PuzzleQuest: Challenge of the Warlords — Steam game cover

    PuzzleQuest: Challenge of the Warlords

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    PuzzleQuest: Challenge of the Warlords delivers, for the first time ever, classic puzzle-game action backed with an epic story of good vs. evil. Challenge your match 3 skills as you battle against computer opponents to save the Kingdom of Etheria from the evil Lord Bane.

    2008Casual9.99 USDSingle-playerSimilar games →
  8. 8
    The Gallery - Episode 2: Heart of the Emberstone — Steam game cover

    The Gallery - Episode 2: Heart of the Emberstone

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Embark on the sci-fi epic that started it all at the dawn of modern VR, setting standards for roomscale movement and interaction for years to come. Winner of over 30 awards including "VR Game of the Year", The Gallery is VR's premier adventure series.

    2017IndieAdventureCasual14.99 USDSingle-playerSimilar games →
  9. 9
    Iron Sea Defenders — Steam game cover

    Iron Sea Defenders

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required.

    Man the guns! The enemy fleet is on the horizon! Defend your fort from attacks – show your tactical skill.

    2016ActionSportsStrategy14.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Gnomes Garden — Steam game cover

    Gnomes Garden

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Dry summer withered the king’s beloved garden and the surrounding gardens of the kingdom alike. The ruler has fallen ill and the kingdom is in danger. Help the princess save the gardens and make the king better again.

    2015StrategyIndieCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Royal Defense — Steam game cover

    Royal Defense

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.

    2014StrategyIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Fort Defense — Steam game cover

    Fort Defense

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required.

    All hands on deck! Pirate armada dead ahead! Take part in an uncompromising struggle repelling freebooters' assaults. Watch out, the enemy may catch the tide for ruining your fortress. Build towers, collect crystals, upgrade spells and believe in your victory!

    2015StrategyIndieAdventure14.99 USDSingle-playerSimilar games →
  13. 13
    Alice's Patchwork — Steam game cover

    Alice's Patchwork

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Assemble patchwork mosaics while you travel with Alice and the famous characters of Wonderland and Looking-Glass Land

    2016StrategyCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Alice's Patchworks 2 — Steam game cover

    Alice's Patchworks 2

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Assemble patchwork mosaics, meet your favorite heroes from the world beyond the looking glass and help Alice become the queen!

    2016IndieCasual14.99 USDSingle-playerSimilar games →
  15. 15
    Katy and Bob: Safari Cafe — Steam game cover

    Katy and Bob: Safari Cafe

    Single-player alternative to Holiday Mosaics Halloween Puzzles — playable solo, no multiplayer required. Shares Casual with Holiday Mosaics Halloween Puzzles.

    Katy and Bob: a new chapter in the adventures of Katy and Bob. Head into the safari park and grow your business!

    2018StrategyCasual14.99 USDDeck PlayableSingle-playerSimilar games →