IMHO.

Single-player games like Nion Forge

Below are 8 single-player Steam games similar to Nion Forge, 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 Nion Forge page.

Ranked picks

  1. 1
    DET-33 — Steam game cover

    DET-33

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

    A bullet-heaven roguelite in the ruins of new London. Take contracts from four warring factions, build a gun that breaks the game, and reach the evac before the city closes over you. 700+ weapons, interlocking build engines, and a fresh map every run.

    2026ActionIndieCasualSingle-playerSimilar games →
  2. 2
    Neon Carnage — Steam game cover

    Neon Carnage

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

    Outrun the law. Destroy everything. Survive an escalating cyberpunk manhunt in this explosive vehicular roguelike.

    ActionCasualSingle-playerSimilar games →
  3. 3
    Archaea Ascent — Steam game cover

    Archaea Ascent

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

    Undergo trials, build your identity, build a team, build your skills, fight the system. The operators are watching — and the directives are getting harder to follow.

    2026ActionIndieCasual4.99 USDSingle-playerSimilar games →
  4. 4
    Beyond the First Star — Steam game cover

    Beyond the First Star

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

    Beyond the First Star is a fast-paced 2D side-scrolling shoot 'em up. Choose from distinct pilots, collect and switch between varied weapons, battle through handcrafted stages, and face bosses with unique attack patterns.

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    WingWhiz — Steam game cover

    WingWhiz

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

    WingWhiz brings classic arcade shoot 'em ups into 3D with roguelite progression. Destroy everything in your path, level up, build your plane, unlock new weapons and planes, and try different playstyles as you fight through new worlds.

    2026ActionIndieSingle-playerSimilar games →
  6. 6
    Ronan Rage: The Rugged Space Chase — Steam game cover

    Ronan Rage: The Rugged Space Chase

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

    You are Ronan, an ex-gang boss. When your old crew pulls a hilarious heist and steals your precious Turkish rug, it's all-out war! Jump in for a 3D roguelite rail-shooter: dodge space rocks, survive laser gauntlets, upgrade your ship and unleash hell. Fly fast. Shoot straight. Get that rug back!

    ActionIndieSingle-playerSimilar games →
  7. 7
    Rogue Space Convoy — Steam game cover

    Rogue Space Convoy

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

    Rogue Space Convoy is a roguelite space action shooter where you pilot a fighter, build a convoy, and choose branching encounters across five hostile passages. Disable enemy cruisers, salvage upgrades, and keep the Ark alive long enough to reach the gate.

    2026ActionIndieCasualSingle-playerSimilar games →
  8. 8
    Voidrunners — Steam game cover

    Voidrunners

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

    Voidrunners is a space bullet heaven where you combine unique weapons, equipment, and upgrades to create powerful builds. Explore maps filled with secrets, unlock new ships, and survive endless hordes of enemies.

    2026ActionIndieCasualSingle-playerSimilar games →