IMHO.

Free games like Evolo.SpiderSim

Below are 8 free-to-play Steam games similar to Evolo.SpiderSim, 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 Evolo.SpiderSim page.

Ranked picks

  1. 1
    Zero-K — Steam game cover

    Zero-K

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

    2018StrategyIndieSimulationFreeFree to playSimilar games →
  2. 2
    Idling to Rule the Gods — Steam game cover

    Idling to Rule the Gods

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours!

    2016StrategyIndieSimulationFreeDeck PlayableFree to playSimilar games →
  3. 3
    Wizard And Minion Idle — Steam game cover

    Wizard And Minion Idle

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy with Evolo.SpiderSim.

    Train your stats, cast spells, feed your minion, defeat monsters and bosses, raise demons, craft gems, go fishing and so much more in Wizard and Minion Idle--WAMI. This free to play, solo developed, Idle/active hybrid game has flexible pacing for long-time play-ability.

    2019StrategyRPGFree To PlayFreeDeck PlayableFree to playSimilar games →
  4. 4
    Oxygen: First Breath — Steam game cover

    Oxygen: First Breath

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!

    2022StrategyIndieSimulationFreeFree to playSimilar games →
  5. 5
    Jigsaw Puzzles Infinite — Steam game cover

    Jigsaw Puzzles Infinite

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    Sit back, relax and build puzzles to your heart's content. Assemble one of the many included puzzles, or add your own images. Customize size and shape of the pieces for any puzzle. Enjoy Classic mode or try out Zen mode for a new type of puzzle experience.

    2023StrategyIndieSimulationFreeDeck PlayableFree to playSimilar games →
  6. 6
    Mini Airways: Prologue — Steam game cover

    Mini Airways: Prologue

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    A real-time management game where you play the role of an air traffic controller. Clear your aircraft to takeoff & land, direct them to the destination...and most of all don't let them crash!! London, Tokyo, Shanghai... Test your ATC skills in distinctive maps around the globe!

    2024StrategyIndieSimulationFreeDeck PlayableFree to playSimilar games →
  7. 7
    ABI-DOS — Steam game cover

    ABI-DOS

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.

    2024StrategyIndieSimulationFreeDeck PlayableFree to playSimilar games →
  8. 8
    Plan A — Steam game cover

    Plan A

    Free-to-play alternative to Evolo.SpiderSim — no purchase or trial window. Shares Strategy and Indie with Evolo.SpiderSim.

    Carefully plan your team's tactics in close quarters battles. Use the timeline to synchronize each door breach, grenade throw and room entry with precision. Watch your team execute your plan autonomously in epic cinematic replays. Take on challenging roguelike campaigns or standalone missions.

    2021ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →