IMHO.

Free games like Solar Frontier

Below are 8 free-to-play Steam games similar to Solar Frontier, 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 Solar Frontier page.

Ranked picks

  1. 1
    Aircar — Steam game cover

    Aircar

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.

    2019IndieFree To PlayCasualFreeFree to playSimilar games →
  2. 2
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Solar Frontier — no purchase or trial window. Shares Strategy with Solar Frontier.

    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 VerifiedFree to playSimilar games →
  3. 3
    DOGWALK — Steam game cover

    DOGWALK

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    Explore a hand-crafted winter forest as a big adorable dog and a little kid in tow. A short, free, open source project brought to you by Blender Studio.

    2025IndieFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  4. 4
    South Scrimshaw, Part One — Steam game cover

    South Scrimshaw, Part One

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    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 PlayableFree to playSimilar games →
  5. 5
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to Solar Frontier — no purchase or trial window. Shares Strategy with Solar Frontier.

    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.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  6. 6
    Shape of Dreams: Prologue — Steam game cover

    Shape of Dreams: Prologue

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  7. 7
    PlanetSide 2 — Steam game cover

    PlanetSide 2

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.

    2012ActionMassively MultiplayerFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    Limbus Company — Steam game cover

    Limbus Company

    Free-to-play alternative to Solar Frontier — no purchase or trial window.

    As the Executive Manager of Limbus Company, lead your group of twelve Sinners, venture into the buried facilities of Lobotomy Corporation, and lay claim on the Golden Boughs.

    2023FreeDeck PlayableFree to playSimilar games →