IMHO.

Free games like Investormania

Below are 8 free-to-play Steam games similar to Investormania, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Investormania page.

Ranked picks

  1. 1
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Strategy and Indie with Investormania.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedFree to playSimilar games →
  2. 2
    NERTS! Online — Steam game cover

    NERTS! Online

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Indie and Casual with Investormania.

    NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!

    2021ActionIndieFree To PlayFreeFree to playSimilar games →
  3. 3
    The Last Sovereign — Steam game cover

    The Last Sovereign

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Strategy and Indie with Investormania.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  4. 4
    Crusader Kings II — Steam game cover

    Crusader Kings II

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Strategy and Simulation with Investormania.

    Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.

    2012StrategySimulationRPGFreeDeck PlayableFree to playSimilar games →
  5. 5
    Limbus Company — Steam game cover

    Limbus Company

    Free-to-play alternative to Investormania — no purchase or trial window.

    As the Executive Manager of Limbus Company, lead your group of twelve Sinners, venture into the buried facilities of Lobotomy Corporation, and lay claim on the Golden Boughs.

    2023FreeDeck PlayableFree to playSimilar games →
  6. 6
    AdVenture Capitalist — Steam game cover

    AdVenture Capitalist

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Indie and Casual with Investormania.

    Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!

    2015IndieFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  7. 7
    Dota Underlords — Steam game cover

    Dota Underlords

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Strategy and Casual with Investormania.

    Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.

    2019StrategyFree To PlayCasualFreeDeck VerifiedFree to playSimilar games →
  8. 8
    Supermarket Together — Steam game cover

    Supermarket Together

    Free-to-play alternative to Investormania — no purchase or trial window. Shares Indie and Simulation with Investormania.

    The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action!

    2024IndieSimulationFree To PlayFreeDeck PlayableFree to playSimilar games →