IMHO.

Games like Protolife

If Protolife is your kind of game, the closest matches are Revenge of the Titans, Creeper World 3: Arc Eternal and Infested Planet — picked from the ranked list below. Reviewers single out its atmospheric, challenging and contemplative. 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 Protolife: Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

2018StrategyIndie11.99 USDWindows · macOSby Volcanic Giraffe
Protolife — Steam game cover
Players highlight
Blend tower defense with rts micro managementDesign towers from scratch with modular partsExperiment mode lets you create custom challengesAtmosphericChallengingContemplative

Players who liked Protolife also play

Steam players who put hours into Protolife 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. Revenge of the Titans

    WHY THIS

    Shares an atmospheric mood with Protolife.

    Top pick for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Protolife.

    The ultimate mash-up of Real-time Strategy and Tower Defense!

    2011ActionStrategyIndie14.99 USDDeck PlayableSteam ↗
  2. Creeper World 3: Arc Eternal

    WHY THIS

    Shares a challenging mood with Protolife.

    Second-strongest match for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Protolife.

    Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

    2014StrategyIndieSimulation14.99 USDDeck PlayableSteam ↗
  3. Infested Planet

    WHY THIS

    Shares a challenging mood with Protolife.

    Third-strongest match for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Protolife.

    Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

    2014ActionStrategyIndie14.99 USDDeck PlayableSteam ↗
  4. CARNAGE OFFERING Tower Defense

    WHY THIS

    Shares an atmospheric mood with Protolife.

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

    The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!

    2023ActionStrategyIndie9.99 USDSteam ↗
  5. Anomaly: Warzone Earth

    WHY THIS

    Shares an atmospheric mood with Protolife.

    Ranked #5 for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Protolife.

    Lead an armored squad through the perils of this reversed tower defense action-strategy game!

    2011ActionStrategyIndie9.99 USDSteam ↗
  6. Grey Goo

    WHY THIS

    Shares a challenging mood with Protolife.

    Ranked #6 for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Protolife.

    Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

    2015Strategy29.99 USDDeck PlayableSteam ↗
  7. Aliens: Dark Descent

    WHY THIS

    Shares new game plus and an atmospheric mood with Protolife.

    Ranked #7 for Protolife fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Protolife.

    Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.

    2023ActionStrategy39.99 USDDeck PlayableSteam ↗
  8. DG2: Defense Grid 2

    WHY THIS

    Shares a challenging mood with Protolife.

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

    Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.

    2014StrategyIndie9.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Protolife at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~58% under Protolife on Steam right now. Shares Indie with Protolife.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~58% under Protolife on Steam right now. Shares Indie with Protolife.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Slay the Spire

    WHY THIS

    Priced ~48% under Protolife on Steam right now. Shares Strategy and Indie with Protolife.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~58% under Protolife on Steam right now. Shares Strategy and Indie with Protolife.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  5. WEBFISHING

    WHY THIS

    Priced ~58% under Protolife on Steam right now. Shares Indie with Protolife.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~92% under Protolife on Steam right now. Shares Indie with Protolife.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  7. Plants vs. Zombies GOTY Edition

    WHY THIS

    Priced ~58% under Protolife on Steam right now. Shares Strategy with Protolife.

    Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.

    2009Strategy4.99 USDDeck PlayableSteam ↗
  8. Buckshot Roulette

    WHY THIS

    Priced ~75% under Protolife on Steam right now. Shares Indie with Protolife.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Ultimate Custom Night

    WHY THIS

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

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Grimm's Hollow

    WHY THIS

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

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  3. Star Fetchers

    WHY THIS

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

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  4. Paper Lily - Chapter 1

    WHY THIS

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

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗
  5. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    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!

    2016Free To PlayFreeSteam ↗
  6. Z.A.T.O. // I Love the World and Everything In It

    WHY THIS

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

    USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.

    2025IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  7. Project Kat - Paper Lily Prologue

    WHY THIS

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

    Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.

    2021IndieAdventureRPGFreeDeck VerifiedSteam ↗
  8. Higurashi When They Cry Hou - Ch.1 Onikakushi

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Higurashi When They Cry is a sound novel. The music, backgrounds and characters work together to create a world that is the stage of a novel for the user to read. They laugh and cry and get angry. The user takes the point of view of the protagonist to experience the story.

    2015AdventureFreeDeck VerifiedSteam ↗

Frequently asked about Protolife

Does Protolife work on Steam Deck?
Protolife is currently rated Unsupported on Steam Deck. It may not launch or may have significant issues that block normal play.
How much does Protolife cost?
Protolife is listed on Steam at 11.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Protolife?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Protolife are Revenge of the Titans, Creeper World 3: Arc Eternal, Infested Planet.
Who developed Protolife?
Protolife was developed by Volcanic Giraffe.

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 Protolife.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.