IMHO.

Single-player games like Heroes of Retribution

Below are 8 single-player Steam games similar to Heroes of Retribution, 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 Heroes of Retribution page.

Ranked picks

  1. 1
    Soul Machine — Steam game cover

    Soul Machine

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Build your ultimate mech and face endless hordes of rogue robots. In this fast-paced rogue-lite twin-stick shooter, combine devastating weapons, unlock synergies, and salvage scrap to survive the mechanical swarm. Will your chassis hold together?

    2026ActionStrategyIndie3.49 USDSingle-playerSimilar games →
  2. 2
    Tankenstein — Steam game cover

    Tankenstein

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Tankenstein is a 3rd person ARPG where the player controls a dishevelled tank in a post apocalyptic wasteland looking for new parts to survive and upgrade itself. All of the other tanks in the scrapyard have the same goal, which makes them hostile in this survival of the fittest arena.

    2025ActionIndieRPG17.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    The War Machine — Steam game cover

    The War Machine

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    A roguelike FPS blending arcade action with dark corporate satire. Deploy as a remote operator for Corperal, master seven characters and weapons, build synergies from 80+ items, conquer five hostile regions through endless escalating waves and regional bosses, and balance the Corperal stock ticker.

    ActionIndieSimulationFreeSingle-playerSimilar games →
  4. 4
    Multi Turret Academy — Steam game cover

    Multi Turret Academy

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Multi Turret Academy is a top-down tank action game with roguelike elements. Select your vehicle from a growing list of historical models, then equip dozens of weapons and upgrades to lead your local tank club to victory!

    2024ActionIndieEarly Access7.64 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Reality Break — Steam game cover

    Reality Break

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Rewrite the universe! Break reality to change your fate, and use your powers to stop sinister forces from altering existence itself. Discover the origin of your new abilities in a fast-paced ARPG Loot Collection Roguelite where you will bend, break, and change the laws of the universe!

    2025ActionIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Star Vortex — Steam game cover

    Star Vortex

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Star Vortex is a fast paced Action-RPG inspired by classics of the genre. Design your ship, fight your way through hostile alien sectors, upgrade as you salvage rare weapons and experiment with different builds until nothing can stand against you.

    2025ActionIndieRPG21.24 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Relic Hunters Legend — Steam game cover

    Relic Hunters Legend

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!

    2025ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Airships: Conquer the Skies — Steam game cover

    Airships: Conquer the Skies

    Single-player alternative to Heroes of Retribution — playable solo, no multiplayer required. Shares Action and Indie with Heroes of Retribution.

    Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!

    2018ActionStrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →