IMHO.

Games like Billionth Soul

If Billionth Soul is your kind of game, the closest matches are Signal Zero: Dispatch, The First Million and The American Dream: Past Due — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Billionth Soul: Grow humanity’s last colony from one thawed sleeper to one billion souls aboard a failing generation ship. Draft cards, build powerful grid combinations, and trade population against dwindling life support in this idle roguelite deckbuilder. The billionth soul is the hardest one to save.

2026StrategyIndieCasualWindows · macOS · Linuxby Gnomesoft
Billionth Soul — Steam game cover

Players who liked Billionth Soul also play

Steam players who put hours into Billionth Soul also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Signal Zero: Dispatch

    WHY THIS

    Top pick for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Casual with Billionth Soul.

    Take control of a sprawling cyberpunk metropolis. Operating from a sleek, asymmetrical command interface, you must manage high-speed vehicle pursuits, deploy tactical units, and survive a grueling 10-level crime escalation. The neon streets are burning, and you are the only voice on the wire.

    2026StrategySimulationCasualSteam ↗
  2. The First Million

    WHY THIS

    Second-strongest match for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Billionth Soul.

    An incremental deckbuilder where you constantly unlock new cards and upgrades and discover one game-breaking strategy after another to make THE FIRST MILLION — and then many more!

    2026StrategySteam ↗
  3. The American Dream: Past Due

    WHY THIS

    Third-strongest match for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Billionth Soul.

    The American Dream: Past Due is a realistic choice-driven sim. Play as a suddenly laid-off middle-aged man keeping up appearances. Balance family finances and emotions while facing mounting bills... Can you get your life back on track before your family falls apart?

    2026StrategySimulationSteam ↗
  4. Node Factory

    WHY THIS

    Ranked #4 for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Billionth Soul.

    Dive into the world of machine learning! Node Factory is a node-based automation incremental game where you harvest resources and train neural networks. Manage your economy, optimize your grid, and automate your way to a multi-Centillion dollar tech empire.

    ActionStrategyIndieSteam ↗
  5. Idle Energy

    WHY THIS

    Ranked #5 for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Billionth Soul.

    A small game about pushing the world forward, one crank at a time. Sell energy at the Market, build power plants, and climb from a manual workshop through eight eras to star-spanning cosmic civilization. Offline. No microtransactions or ads.

    2026IndieCasualSteam ↗
  6. Restoration: Chronicles of Survival

    WHY THIS

    Ranked #6 for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Billionth Soul.

    Rebuild a fallen kingdom in a cozy idle-RPG. An economy that earns while you sleep, a hero who raids for loot and gear, and endless prestige. No energy limits. No ads. No pay-to-win.

    2026IndieCasual1.79 USDSteam ↗
  7. Factory Time

    WHY THIS

    Ranked #7 for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Billionth Soul.

    A factory automation incremental game at the end of the universe. Start crafting by hand, automate production, and build the Chronoforge to escape.

    2026StrategyIndieSimulationSteam ↗
  8. Seize Siege TD

    WHY THIS

    Ranked #8 for Billionth Soul fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Billionth Soul.

    Build a deck to protect your king in this tower defense! Select your king, your cards and create your combos.

    StrategyIndieCasualSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Billionth Soul.

    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.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  2. Samorost 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Billionth Soul.

    Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.

    2021IndieAdventureCasualFreeSteam ↗
  3. Die in the Dungeon: Origins

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Billionth Soul.

    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 VerifiedSteam ↗
  4. South Scrimshaw, Part One

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Billionth Soul.

    South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

    2023IndieCasualFreeDeck PlayableSteam ↗
  5. D1AL-ogue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Billionth Soul.

    Become an android repair technician in a cyberpunk city where the sun never rises. Rotate the unique circular puzzle 'D1AL' and merge modules to fix their broken bodies and hearts. Your precise repair is the conversation starter. Turn the dial and listen to their stories.

    2026IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  6. The Last Sovereign

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Billionth Soul.

    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 VerifiedSteam ↗
  7. Cats and Seek: Osaka

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Billionth Soul.

    Hey, do you have 5 minutes to spare? Let's play hide and seek with 100 cats in Osaka! 😻 Can you find them all?

    2023IndieCasualFreeDeck VerifiedSteam ↗
  8. The Life and Suffering of Sir Brante — Chapter 1&2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Billionth Soul.

    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!

    2020StrategyIndieAdventureFreeSteam ↗

Frequently asked about Billionth Soul

What games are most similar to Billionth Soul?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Billionth Soul are Signal Zero: Dispatch, The First Million, The American Dream: Past Due.
Who developed Billionth Soul?
Billionth Soul was developed by Gnomesoft.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Billionth Soul.

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