Single-player games like Astrum Vanguard
Below are 8 single-player Steam games similar to Astrum Vanguard, 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 Astrum Vanguard page.
Ranked picks
- 1
Space Bross
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Your chicken has been kidnapped, and that’s all it takes to send a retired astronaut into full galactic mayhem. Space Bross is a hand-drawn 2.5D tower defense & action roguelite where you’ll build bases, fend off alien hordes, and blast your way across planets to bring your feathery friend back.
- 2
BALL x PIT
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
BALL x PIT is a brick-breaking, ball-fusing, base-building survival roguelite. Batter hordes of enemies with ricocheting balls and gather the riches of the pit to expand your homestead, generate resources and recruit unique heroes.
- 3
Destropolis
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions. Fight a countless swarm of enemies. Tear them to pieces with bullets, lasers and explosions. Destroy as many of them as you can before they overwhelm you...
- 4
Demon Hunt
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Battle through demon-infested lands in this fast-paced rogue-lite bullet-heaven. Pick unique weapons with powerful evolutions, and hunt down ancient demons in intense boss fights. Loot, upgrade, and unlock new ways to grow stronger after every hunt!
- 5
Hive Jump 2: Survivors
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.
- 6
20 Minutes Till Dawn
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
20 Minutes Till Dawn is a survival roguelite where endless hordes of creatures lurk from the dark. Craft an array of overpowering builds and eradicate waves of Lovecraftian nightmares. Will you be able to survive the night?
- 7
Space War: Infinity
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.
- 8
Star Survivor
Single-player alternative to Astrum Vanguard — playable solo, no multiplayer required. Shares Action and Indie with Astrum Vanguard.
Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?