Single-player games like Astral Guardian
Below are 9 single-player Steam games similar to Astral Guardian, 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 Astral Guardian page.
Ranked picks
- 1
friends world
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
This is a voxel style sandbox game that focuses on survival. You can do anything inside and destroy any block. and cooperatively survive and fight with friends in a world. If you like playing Minecraft, this is a game you must not miss.
- 2
Reforged TD - Tower Defense
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
Single or multiplayer tower defense with high replay value. Build and upgrade towers, use special items and discover the extensive talent tree for your characters and towers. Ideal for strategists!
- 3
Next Level: Tower Defense
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
Race-based tower defense. Build your army, defend your king, and send waves at your rivals. Up to 8-player FFA, 2v2 & 4v4 teams, and singleplayer. Crossplay on Windows, Linux, macOS & Steam Deck.
- 4
Modiverse
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
An open multiplayer sandbox game; includes tools, props, levels, NPCs, character models, game-modes and much more! Make your own using our mod kit!
- 5
Attack on Toys
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!
- 6
Lord Wars
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
No tedious fog of war. Outwit foes with terrain ambushes and shifting weather, build elite armies and wrap up intense medieval RTS matches quickly.
- 7
Steel Graves
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
A nervous Action / Strategy / Building game in multiplayer that oppose humans against aliens in huge battlefields. Build your base anywhere, upgrade your equipment, recruit hundreds of IA soldiers, and take part in the greatest intergalactic war.
- 8
Planetary Annihilation: TITANS
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Astral Guardian.
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
- 9
Stand Your Ground
Single-player alternative to Astral Guardian — playable solo, no multiplayer required. Shares Strategy and Early Access with Astral Guardian.
Defend attacks from enemies from all directions within a limited time. Only by making full use of the differences in each tower and choosing appropriate random rewards can you survive.