Single-player games like Galactic Garrison
Below are 8 single-player Steam games similar to Galactic Garrison, 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 Galactic Garrison page.
Ranked picks
- 1
Bulwark
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Action and Strategy with Galactic Garrison.
Bulwark is a medieval-themed 2D pixel tower defense game with a dynamic block-based building system. Construct and fortify your castle, manage resources, and recruit troops to defend against waves of enemies. Build, strategize, and adapt in this unique blend of fortress construction and combat.
- 2
Nomad Defender
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Strategy with Galactic Garrison.
You wake up in a gloomy room. Become the test subject of a shady software program that feeds on Tower Defense - Roguelike - Deckbuilder simulations.
- 3
Taur
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Action and Strategy with Galactic Garrison.
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
- 4
Party Demon
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Action and Strategy with Galactic Garrison.
Party Demon is a tower defense, deck-building game where your main goal is to protect a Lady Demon’s birthday party from human intruders. Build your castle on a budget and defend it in real-time with a deadly Trap Deck full of demonic weapons.
- 5
Insectum - Epic Battles of Bugs
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Action and Strategy with Galactic Garrison.
Immerse yourself in the epic battles of "Insectum" and unleash the power of your monstrous insects. Face off against your rivals on the battlefield by strategically using cards.
- 6
Unsung Heroes: Card Wars
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Garrison.
This is an auto-battler game featuring large turn-based elements with small real-time aspects, and it has an off-battlefield growth system. Develop your camp, upgrade your characters, refine items, freely combine cards during battles, and use well-timed construction to complete levels.
- 7
Thukothea Defender
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Garrison.
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!
- 8
Swarming Planet
Single-player alternative to Galactic Garrison — playable solo, no multiplayer required. Shares Strategy with Galactic Garrison.
Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.