IMHO.

Games like Protolife: Other Side

If Protolife: Other Side is your kind of game, the closest matches are Still Stars Echo, StarDrone: Sling Star (with VR mode) and Deadly Maze: Phase 1 — 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 Protolife: Other Side: Reverse Tower Defense game where you control waves of creatures against towers. Protolife game spin-off.

2023IndieAdventureCasual8.99 USDDeck PlayableWindowsby Aleksei Grishin
Protolife: Other Side — Steam game cover

Players who liked Protolife: Other Side also play

Steam players who put hours into Protolife: Other Side 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. Still Stars Echo

    WHY THIS

    Top pick for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Protolife: Other Side.

    An atmospheric science-fiction journey across distant alien landscapes. Traverse monolithic structures, solve intricate puzzles, and uncover the story of a lost civilization written among the stars.

    2026IndieAdventureCasualSteam ↗
  2. StarDrone: Sling Star (with VR mode)

    WHY THIS

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

    StarDrone: Sling Star is the Hyper-Kinetic race across the galaxy with a mix of pinball, arcade action, and breakout, now on flat screens and in Virtual Reality.

    2020IndieCasual4.99 USDSteam ↗
  3. Deadly Maze: Phase 1

    WHY THIS

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

    Arcade intuitive game with mazes and puzzles

    2019ActionStrategyIndie5.99 USDSteam ↗
  4. Star Legion

    WHY THIS

    Ranked #4 for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Protolife: Other Side.

    Star Legion is a local co-op top-down shooter where you battle rogue machines in intense missions. Craft gear, survive hostile incursions, and reclaim sectors to spread the glory of the intergalactic Roman Empire.

    2025ActionStrategyIndie4.99 USDSteam ↗
  5. Escape from the Cosmic Abyss

    WHY THIS

    Ranked #5 for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Protolife: Other Side.

    Shoot, Dash and Jetpack for your life to escape the Guardian of the Abyss while taking the Orb of Knowledge with you in this mix of casual and arcade gameplay!

    2020ActionIndieCasual0.99 USDSteam ↗
  6. Cosmic Cowabunnies

    WHY THIS

    Ranked #6 for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Protolife: Other Side.

    Play as "Sauce," the Grey Alien, on a critical mission to hide alien evidence from humanity. Abduct, rescue, mine, and unravel Earth's mysteries. Battle formidable foes and prove your skills on the intergalactic leaderboard. Prevent disclosure, or the truth is out!

    2023ActionIndieAdventure4.99 USDSteam ↗
  7. Unknown Hero

    WHY THIS

    Ranked #7 for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie with Protolife: Other Side.

    Brace yourself for an intense bullet hell experience! Fight your way through challenging levels, defeat bosses, upgrade your weapon and get the highest score!

    2025ActionIndie4.99 USDSteam ↗
  8. Skippy's Grand Escape

    WHY THIS

    Ranked #8 for Protolife: Other Side fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Protolife: Other Side.

    Escape increasingly complex mazes as fast as possible. Optimize your path. Select skills tactically. Watch out for enemies, traps, black holes and more in this space themed top down maze runner.

    2026ActionIndieCasualSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~44% under Protolife: Other Side on Steam right now. Shares Indie and Casual with Protolife: Other Side.

    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 ~44% under Protolife: Other Side on Steam right now. Shares Indie and Casual with Protolife: Other Side.

    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. Cookie Clicker

    WHY THIS

    Priced ~44% under Protolife: Other Side on Steam right now. Shares Indie and Casual with Protolife: Other Side.

    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 ↗
  4. WEBFISHING

    WHY THIS

    Priced ~44% under Protolife: Other Side on Steam right now. Shares Indie and Casual with Protolife: Other Side.

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

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~89% under Protolife: Other Side on Steam right now. Shares Indie and Adventure with Protolife: Other Side.

    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 ↗
  6. Buckshot Roulette

    WHY THIS

    Priced ~67% under Protolife: Other Side on Steam right now. Shares Indie with Protolife: Other Side.

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

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Brotato

    WHY THIS

    Priced ~44% under Protolife: Other Side on Steam right now. Shares Indie and Casual with Protolife: Other Side.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  8. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~44% under Protolife: Other Side on Steam right now. Shares Indie with Protolife: Other Side.

    Master your technique, execute flashy combos, and outsmart opponents across the world, frame-by-frame. Slow down the clock to fine-tune your fighting style in this innovative, turn-based combat simulator. Pulverize your friends and choreograph spectacular fight scenes. No training mode required.

    2023ActionStrategyIndie4.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Protolife: Other Side.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

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

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

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

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. The Looker

    WHY THIS

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

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  7. NGU IDLE

    WHY THIS

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

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  8. Awaria

    WHY THIS

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about Protolife: Other Side

Does Protolife: Other Side run on Steam Deck?
Protolife: Other Side is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Protolife: Other Side cost?
Protolife: Other Side is listed on Steam at 8.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Protolife: Other Side?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Protolife: Other Side are Still Stars Echo, StarDrone: Sling Star (with VR mode), Deadly Maze: Phase 1.
Who developed Protolife: Other Side?
Protolife: Other Side was developed by Aleksei Grishin and published 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: Other Side.

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