Free games like Billionaire in the Oil Boom
Below are 8 free-to-play Steam games similar to Billionaire in the Oil Boom, 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 Billionaire in the Oil Boom page.
Ranked picks
- 1
Magic Archery
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Simulation with Billionaire in the Oil Boom.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 2
The Lab
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 3
Landfall Archives
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Strategy with Billionaire in the Oil Boom.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 4
SuchArt: Creative Space
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Simulation with Billionaire in the Oil Boom.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 5
The Riftbreaker: Prologue
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Strategy with Billionaire in the Oil Boom.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 6
The Last Sovereign
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Strategy with Billionaire in the Oil Boom.
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.
- 7
The Life and Suffering of Sir Brante — Chapter 1&2
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Strategy and Simulation with Billionaire in the Oil Boom.
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!
- 8
Crusader Kings II
Free-to-play alternative to Billionaire in the Oil Boom — no purchase or trial window. Shares Strategy and Simulation with Billionaire in the Oil Boom.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.