IMHO.

Single-player games like Rare Metal War: The sins of memory

Below are 8 single-player Steam games similar to Rare Metal War: The sins of memory, 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 Rare Metal War: The sins of memory page.

Ranked picks

  1. 1
    Neon Armada - Solar Storm — Steam game cover

    Neon Armada - Solar Storm

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action with Rare Metal War: The sins of memory.

    A top-down arena roguelite you can learn in one wave and spend a hundred hours mastering. Waves close in from every edge; the shop between them decides what you become. 32 ships, 28 weapons, 115 mods to combine — then endless mode, where the caps come off.

    2026ActionSingle-playerSimilar games →
  2. 2
    The Forge: Steel Frontier — Steam game cover

    The Forge: Steel Frontier

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action and Adventure with Rare Metal War: The sins of memory.

    The Forge is a mech-combat sci-fi action game. Step into the cockpit as mercenary pilot Ivan and fight alongside a mech with a soul—Machine Spirit. Dormant Dragon holds a strange and rare mineral. When wolves come for the ore, you and your mech must choose, and planet's fate hangs in the balance.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Oh! Robot: Legendary Mechanic — Steam game cover

    Oh! Robot: Legendary Mechanic

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action and Adventure with Rare Metal War: The sins of memory.

    Oh! Robot is a top-down shooting game featuring the catchphrase 'NEVER GIVE UP! NEVER SURRENDER!' It follows the journey of a brave young girl who pilots a robot named ZeroBot to save the world from rampaging machines driven mad by a rogue AI. Engine start let’s go!

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    DELIVERY MUST COMPLETE — Steam game cover

    DELIVERY MUST COMPLETE

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action with Rare Metal War: The sins of memory.

    High speed Acelike Roguelike with SSSTYLE. Cut across cel-shaded, action-packed, arcade-paced dogfights as you fly, fight, and upgrade your roster of kickass planes. Every battle is massive, every location is procedural, and every fight is a spectacle- whether it's aircraft, blimps, dragons or mechs

    ActionIndieSimulationSingle-playerSimilar games →
  5. 5
    Endless Tactics: Trial Run — Steam game cover

    Endless Tactics: Trial Run

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required.

    The prologue to Endless Tactics. Defend a planetary mining expedition, upgrade your ship, and survive alien hordes in this turn-based roguelite trial run.

    2026StrategyIndieFree To PlayFreeSingle-playerSimilar games →
  6. 6
    Wall World 2 — Steam game cover

    Wall World 2

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action and Adventure with Rare Metal War: The sins of memory.

    The adventure in the mysterious world of the Wall continues! Pilot your robospider into its depths, uncover lost artifacts and technologies, upgrade your exosuit and spider, and battle the horrors lurking in the dark. Unravel the mysteries buried in the depths of the Wall!

    2025ActionStrategyIndie11.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Gigantes Ex Machina — Steam game cover

    Gigantes Ex Machina

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action with Rare Metal War: The sins of memory.

    Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.

    2025ActionIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Ocean Keeper: Dome Survival — Steam game cover

    Ocean Keeper: Dome Survival

    Single-player alternative to Rare Metal War: The sins of memory — playable solo, no multiplayer required. Shares Action and Adventure with Rare Metal War: The sins of memory.

    Explore dungeons, fight hordes of monsters and survive on a huge map. This is Ocean Keeper - an action roguelike with tower defense elements. Mine resources in caves, customize your Mech Spider, upgrade different weapons and face dangerous bosses that won't leave you a chance!

    2025ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →