IMHO.

Single-player games like IRON SHADOW : Survival Protocol

Below are 8 single-player Steam games similar to IRON SHADOW : Survival Protocol, 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 IRON SHADOW : Survival Protocol page.

Ranked picks

  1. 1
    Cyber-Nanotech Horde Survivor — Steam game cover

    Cyber-Nanotech Horde Survivor

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Indie with IRON SHADOW : Survival Protocol.

    Defend the system core in this fast-paced cybernetic roguelite! Fight a self-merging digital virus, decrypt firewall nodes for powerful real-time subroutines, and defeat giant boss kernels. Spend credits on persistent hardware upgrades to survive the endless purge.

    2026IndieCasualSingle-playerSimilar games →
  2. 2
    Arms of God — Steam game cover

    Arms of God

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    Gear up for a battle through hell in this roguelite Bullet Heaven Arena Autoshooter with Doom-inspired gore vibes, metal music, and a satisfying combat feel. Wield five weapons at once, upgrade and merge them to forge indestructible builds, and bring divine justice to a world on the brink of chaos.

    2026ActionIndieRPG9.77 USDSingle-playerSimilar games →
  3. 3
    Eternal Onslaught — Steam game cover

    Eternal Onslaught

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action with IRON SHADOW : Survival Protocol.

    A vampire-survivors-style roguelike where bosses arrive every 90 seconds and the Butcher every 5 minutes Pick a hero, pick a weapon, then survive as the screen fills with the unkilled

    ActionSingle-playerSimilar games →
  4. 4
    Soul Machine — Steam game cover

    Soul Machine

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    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 →
  5. 5
    Tied to the Beat — Steam game cover

    Tied to the Beat

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    A roguelike where every lyric triggers unique effects. Choose your instrument, survive waves of lyric-powered enemies, and import your own songs. Your music. Your weapon.

    2026ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Wanted Shadows: Unchained — Steam game cover

    Wanted Shadows: Unchained

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    A survivors-like game where you defeat creatures of the night trying to take over the underworld. Vanquish the invasion, perfect your build, and become purgatory's master.

    2026ActionIndie3.14 USDSingle-playerSimilar games →
  7. 7
    CYBERMATRIX — Steam game cover

    CYBERMATRIX

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    CYBERMATRIX is a fast paced game about movement. A place where the style of your moves really matters.

    2026ActionIndie12.00 USDSingle-playerSimilar games →
  8. 8
    Katanaut — Steam game cover

    Katanaut

    Single-player alternative to IRON SHADOW : Survival Protocol — playable solo, no multiplayer required. Shares Action and Indie with IRON SHADOW : Survival Protocol.

    Katanaut is a fast-paced, Metroidvania-inspired action roguelite blending fluid combat and cosmic horror. Slash, dodge, and wield powerful abilities as you battle through a station sprawling with twisted, once-human horrors. Adapt, survive, and descend into the shadows to uncover dark secrets.

    2025ActionSportsIndie17.99 USDDeck VerifiedSingle-playerSimilar games →