IMHO.

Single-player games like Billionaire in the Oil Boom

Below are 9 single-player Steam games similar to Billionaire in the Oil Boom, 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 Billionaire in the Oil Boom page.

Ranked picks

  1. 1
    Billionaire in the Greedy America — Steam game cover

    Billionaire in the Greedy America

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    America, 1850. Fortunes are made and destroyed in a single day. Will you be the predator — or the prey? Trade stocks, crush rivals, seize companies, and claw your way to the top in the most ruthless financial arena of the century.

    2026StrategySimulationSingle-playerSimilar games →
  2. 2
    Hedge Fund Tycoon — Steam game cover

    Hedge Fund Tycoon

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    Are you ready to climb the ranks of the elite and become the wealthiest hedge fund in the world? In this thrilling new stock market game, you'll trade stocks, bonds, and use corruption to achieve your goals. Don't miss your chance to dominate the world of finance and amass a fortune.

    2024StrategySimulation5.99 USDSingle-playerSimilar games →
  3. 3
    AfterWar — Steam game cover

    AfterWar

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    AfterWar is a strategy about the world in 2028

    2023StrategyIndieSimulation24.99 USDSingle-playerSimilar games →
  4. 4
    Rise to Power: Banana Republic — Steam game cover

    Rise to Power: Banana Republic

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    Take on the role of an ordinary citizen and build your political career: lead parties, influence the media, control institutions and decide the fate of Isla Paraíso.

    2026StrategySimulationSingle-playerSimilar games →
  5. 5
    Turkish Throne — Steam game cover

    Turkish Throne

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Simulation with Billionaire in the Oil Boom.

    Lead your political party in a fierce competition to seize power against major rivals. Invest strategically, secure votes, and navigate crucial decisions to claim the presidential seat. Will you shape the destiny of Turkish politics?

    2025Simulation2.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Victoria 3 — Steam game cover

    Victoria 3

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history.

    2022StrategySimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    East India Company — Steam game cover

    East India Company

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy with Billionaire in the Oil Boom.

    Trade exotic goods, command fleets, and dominate 17th-century seas. This blend of real-time strategy and naval warfare lets you build a trading empire across Europe and Asia. Strategize trade routes, engage in epic naval battles, and expand your influence to become the ultimate maritime force.

    2009Strategy9.99 USDSingle-playerSimilar games →
  8. 8
    The Guild II Renaissance — Steam game cover

    The Guild II Renaissance

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    For centuries Europe has been dominated by the church and nobility. On the shoulders of ordinary people the servants of god and the noble families justified their power and wealth. This was the incontrovertible, divine world order. A truly dark era… In the 14th Century the world order is beginning to transform itself.

    2010StrategySimulation9.99 USDSingle-playerSimilar games →
  9. 9
    Plutocracy — Steam game cover

    Plutocracy

    Single-player alternative to Billionaire in the Oil Boom — playable solo, no multiplayer required. Shares Strategy and Simulation with Billionaire in the Oil Boom.

    The business simulator Plutocracy gives you the chance to become wealthy and powerful to take control over the world. Where policy, laws, officials and people are only the chess pieces how do you play your game?

    2019StrategyIndieSimulation24.99 USDSingle-playerSimilar games →