Single-player games like Space Pirate King
Below are 8 single-player Steam games similar to Space Pirate King, 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 Space Pirate King page.
Ranked picks
- 1

Prison Colony: A Convict's Tale
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
Fight enemy vehicles on a procedurally generated, foreign world in this 3D Mecha game. Build better vehicles until you can afford your own spacejet, and escape the prison colony using that spacejet. Defend your base from enemy attack or pick the next mission to play.
- 2

Astebreed: Definitive Edition
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.
- 3

Codex of Victory
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Indie with Space Pirate King.
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!
- 4

Mechabellum
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.
- 5

Strike Suit Zero
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.
- 6

Override: Mech City Brawl
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
No gears, no glory! Control gigantic robots and duke it out in this 3D mech brawler! Epic battles await in local and online Versus mode, 4-player Co-op – where each player controls one part of a mech – and a single-player game mode. Each mech has its own gameplay style, special moves, and finishers.
- 7

BATTLETECH
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action with Space Pirate King.
Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.
- 8

BREAK ARTS III
Single-player alternative to Space Pirate King — playable solo, no multiplayer required. Shares Action and Indie with Space Pirate King.
With your uniquely crafted mech, dominate both the track and the battlefield. Fight your way through countless battles and aim for ever greater heights! This installment of BREAK ARTS is the ultimate Comprehensive Mech-Customizing Competitive Sport.