IMHO.

Single-player games like Challenge 99

Below are 8 single-player Steam games similar to Challenge 99, 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 Challenge 99 page.

Ranked picks

  1. 1
    Marble Champions — Steam game cover

    Marble Champions

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    Roll through intricate tracks, overcome obstacles, design your own races and collect unique marbles. Climb divisions, enter tournaments, race in daily time trials to become the ultimate Marble Champion.

    2025ActionSportsIndie14.99 USDSingle-playerSimilar games →
  2. 2
    One More Roll — Steam game cover

    One More Roll

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    One More Roll is a marble game heavily influenced by Super Monkey Ball & Marble Blast. So far the game has 100+ Levels across 7 different worlds with many more to come in the future. Enjoyable both for casual players and hardcore speedrunners.

    2018ActionIndieSimulation11.99 USDSingle-playerSimilar games →
  3. 3
    Aerial Platforms — Steam game cover

    Aerial Platforms

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required.

    Embark on an exhilarating adventure through dynamic levels, where speed and precision are supreme. Leap across diverse platforms, overcome challenging obstacles, and reach the goal before you run out of time.

    2023ActionAdventure0.99 USDSingle-playerSimilar games →
  4. 4
    Raising Torolith — Steam game cover

    Raising Torolith

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    A physics based first-person platformer. Pump your adrenaline through high speed and precision in this parkour adventure! Climb walls, slide, dash & fly. Reach the orbs and raise entire castles from the water!

    2021IndieAdventureRacing2.99 USDSingle-playerSimilar games →
  5. 5
    Polyball — Steam game cover

    Polyball

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    Get ready to enter a new era of physics platforming. Polyball is a classic ball rolling game in the vein of Super Monkey Ball, Marble Madness, and Marble Blast - while taking cues from games such as the Sonic series, Trackmania, and Mario Kart.

    2017ActionIndieSimulation3.99 USDSingle-playerSimilar games →
  6. 6
    Marble It Up! Ultra — Steam game cover

    Marble It Up! Ultra

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    Roll, bounce, boost, and blast your way to victory in Marble It Up! Ultra - the ultimate marble platformer. Chase the records of your friends and the world's best players through a vast campaign - or face them head-on in thrilling multiplayer mayhem. Get ready to roll!

    2018ActionIndieCasual29.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Celaria — Steam game cover

    Celaria

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    Celaria is a first-person racing parkour platformer in which the player races against the time on various tracks. Find the fastest path to the goal and take advantage of the environment in order to improve your runs as much as possible.

    2019IndieRacing7.99 USDSingle-playerSimilar games →
  8. 8
    Remnants of Naezith — Steam game cover

    Remnants of Naezith

    Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.

    With the powers granted to him by the dragon, Kayra will destroy the Remnants of Naezith, enchanted fragments of the dragon's body, to prevent anyone from exploiting their power for evil. Rush and swing through levels to top the leaderboards in this fast-paced, grappling hook precision platformer.

    2018ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →