IMHO.

Single-player games like Shin Galaxy - Alpha War

Below are 9 single-player Steam games similar to Shin Galaxy - Alpha War, 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 Shin Galaxy - Alpha War page.

Ranked picks

  1. 1
    Spectron — Steam game cover

    Spectron

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    A fast-paced, retro-style space shooter with challenging levels. Race against the clock as you blast and dodge through waves of enemies and obstacles, pushing your reflexes to the limit.

    ActionIndieSingle-playerSimilar games →
  2. 2
    The Buried Light — Steam game cover

    The Buried Light

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    In this action-roguelike arena shooter, ancient trees have evolved into botanical spacecrafts. Reclaim the sun from a cosmic god by crafting custom bullets across 4 modular slots, selectively breeding endless upgrades, and unleashing devastating firepower to survive unforgiving bullet-hell waves.

    2026ActionIndieRPGSingle-playerSimilar games →
  3. 3
    Always Surrender — Steam game cover

    Always Surrender

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action with Shin Galaxy - Alpha War.

    Battle a never ending swarm of enemies, but be sure to surrender before you die...

    2024Action3.99 USDSingle-playerSimilar games →
  4. 4
    Hot Shot Monkey — Steam game cover

    Hot Shot Monkey

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    Embark into a wild west themed bullet hell, where you play as Clyde, a monkey gunslinger, on a quest to defeat steampunk mechanical monstrosities, and utilize powerful weapons, and useful gear to assure you return peace to the west.

    2025ActionIndieRPG1.99 USDSingle-playerSimilar games →
  5. 5
    Protocol Omega: Resist and Survive — Steam game cover

    Protocol Omega: Resist and Survive

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    In this 2.5D top-down shooter you command a damaged battle spaceship. Survive the waves of hostile enemies, upgrade your ship, discover hidden places and get your crew home.

    2026ActionIndieRPG4.99 USDSingle-playerSimilar games →
  6. 6
    Fight To The Death — Steam game cover

    Fight To The Death

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    Fight To The Death is a roguelite game where you enter an arena filled with hundreds or even thousands of monsters. Utilizing each character's unique skills, collecting powerful items, crafting your own playstyle, and striving to be the last one standing.

    2024ActionIndieRPG2.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Astroloot — Steam game cover

    Astroloot

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.

    2025ActionIndieRPG6.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Sharded World — Steam game cover

    Sharded World

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    Sharded World is a reversed bullet hell, rogue-lite, ARPG game combining simple gameplay and great rpg progression. Each level has its own unique features and challenges. Upgradable characters, weapons and orbs. Challenges, daily quests, and leaderboards. Fight, get stronger and defeat the Lich!

    2023ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    The Awakening of the Bleak Dimension — Steam game cover

    The Awakening of the Bleak Dimension

    Single-player alternative to Shin Galaxy - Alpha War — playable solo, no multiplayer required. Shares Action and Indie with Shin Galaxy - Alpha War.

    The portal to the dreaded Bleak Dimension has been opened, unleashing terrifying creatures. Your mission is to seal it before it's too late! In The Awakening of the Bleak Dimension, a fantasy RPG you will face brutal challenges, evolve your character and forge powerful equipment.

    2025ActionIndieAdventure3.99 USDSingle-playerSimilar games →