IMHO.

Single-player games like Marty Thinks 4D

Below are 10 single-player Steam games similar to Marty Thinks 4D, 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 Marty Thinks 4D page.

Ranked picks

  1. 1
    Wreckfest — Steam game cover

    Wreckfest

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Wreckfest is a demolition derby themed racing game with soft-body damage modeling, sophisticated driving dynamics and in-depth vehicle upgrading, featuring both demolition derbies and more traditional track races. It’s all about fun, breakneck racing and over-the-top crashes.

    2018ActionSportsIndie29.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Downwell — Steam game cover

    Downwell

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Downwell is a curious game about a young person venturing down a well in search of untold treasures with only his Gunboots to protect him.

    2015ActionIndieAdventure2.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Orcs Must Die! — Steam game cover

    Orcs Must Die!

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.

    2011ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Fortix 2 — Steam game cover

    Fortix 2

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Fortix 2 is best described as a reverse turret defense game. As Sir Fortix, the knight, you must conquer castles while dodging tower turrets and evil monsters. Fight your way across the shires of the island Artalom, storming from castle to castle.

    2011IndieCasual1.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Valdis Story: Abyssal City — Steam game cover

    Valdis Story: Abyssal City

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Assume the role of Wyatt in this Action/Exploration Platformer as you explore the ruins of a holy city that was lost many years ago. Battle various types of demons, angels, and a new threat known only as the “Ferals”, using swordsmanship, martial arts, and sorcery.

    2013ActionIndieRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Monday Night Combat — Steam game cover

    Monday Night Combat

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!

    2011ActionSportsStrategy4.99 USDSingle-playerSimilar games →
  7. 7
    Shatter — Steam game cover

    Shatter

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Shatter is a retro-inspired brick-breaking game that merges familiar action with unique twists and a modern crafted production approach.

    2010ActionIndie1.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Chroma Squad — Steam game cover

    Chroma Squad

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Tactical RPG about 5 stunt actors who decide to quit their jobs and start their own Power Rangers-inspired TV show! Cast actors, upgrade your studio, craft Mechas of cardboard and duct tape. Once the cameras are rolling, control your cast of 5 colored-jumpsuit-clad warriors in turn-based battles.

    2015StrategyIndieRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Prime Directive — Steam game cover

    Prime Directive

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required. Shares Indie with Marty Thinks 4D.

    Prime Directive is a first person 3D action-adventure shooter in which players control Marty, a small but brave robot. Marty acquires unique abilities to fight enemies and solve puzzles while exploring a mysterious alien world.

    2023ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  10. 10
    Great Harvester — Steam game cover

    Great Harvester

    Single-player alternative to Marty Thinks 4D — playable solo, no multiplayer required.

    After your husband’s murder, the Devil shows up with a deal you can’t refuse. So if you want revenge, it looks like soul harvesting season has just begun. Farm by day, kill by night, and don’t get caught. Congratulations! You’re now the town’s serial killer.

    SimulationCasualSingle-playerSimilar games →