IMHO.

Single-player games like Celestial Contact

Below are 8 single-player Steam games similar to Celestial Contact, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Celestial Contact page.

Ranked picks

  1. 1
    Deep Space Survivor — Steam game cover

    Deep Space Survivor

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    Survive massive amount of enemies in space in this top-down action auto-shooter.

    2024ActionIndieCasual4.99 USDSingle-playerSimilar games →
  2. 2
    Appulse — Steam game cover

    Appulse

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    An intense top-down shooter roguelite inspired by pinball mechanics. Master every shot with precision in the heat of the battle, and protect your mothership from waves of invading robots. Upgrade your equipment and conquer spaceships to win the war!

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Malicious Payload — Steam game cover

    Malicious Payload

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    Space pirates invaded your ship, they hacked your mainframe and gained controll of your robots. Your fellow robots turned into murdering robots. You need to find who responsible for this as a guard of your ship. Let him pay for what he done and get back what belongs to you.

    2021ActionIndieAdventure0.49 USDSingle-playerSimilar games →
  4. 4
    Star Legion — Steam game cover

    Star Legion

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    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 USDSingle-playerSimilar games →
  5. 5
    Tower Tactics Arena — Steam game cover

    Tower Tactics Arena

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action with Celestial Contact.

    Tower Tactics Arena is a fast-paced action roguelite set in the Tower Tactics: Liberation universe. Battle relentless enemy waves in a closed combat arena, level up your towers strategically, and gather powerful trinkets and potions! Will you claim victory in the arena?

    2025Action4.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    SANDRIPPER — Steam game cover

    SANDRIPPER

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    Tear across the desert, obliterating wave after wave with your nuclear missile powered dual-wielding hover tank. A tight, punchy wave survival sandbox with ludicrous weaponry, exhilarating rocket-tank combat, and daily leaderboards!

    2025ActionIndie4.19 USDSingle-playerSimilar games →
  7. 7
    Frontline Survivors — Steam game cover

    Frontline Survivors

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    Frontline Survivors is an intense top-down shooter with roguelite elements that puts you in the boots of a soldier fighting for survival on the battlefield. With countless enemies coming at you from all sides, you will need to use all your skills and strategy to stay alive.

    2024ActionIndie4.99 USDSingle-playerSimilar games →
  8. 8
    Space Hero: Intergalactic Titan — Steam game cover

    Space Hero: Intergalactic Titan

    Single-player alternative to Celestial Contact — playable solo, no multiplayer required. Shares Action and Indie with Celestial Contact.

    A top-down "bullet-heaven" roguelite where you play as a futuristic space marine. Use a variety of damage and utility abilities in your attempt to survive. Earn tokens to spend on permanent character upgrades, ability upgrades, and ability mods that allow you to customize your playstyle.

    2025ActionIndieCasual2.99 USDSingle-playerSimilar games →