Single-player games like ExtraGalactica
Below are 8 single-player Steam games similar to ExtraGalactica, 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 ExtraGalactica page.
Ranked picks
- 1
Space War: Infinity
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
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.
- 2
BroodStar
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
BroodStar is a classic arcade shmup with roguelike elements. Acquire crazy item combos, encounter strange events and fight challenging bosses on a quest to destroy the living planet, the BroodStar.
- 3
Akka Arrh
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action with ExtraGalactica.
Akka Arrh is a modern take on a scrapped project from the 1980s, providing players with a fast-paced, addictive, arcade shooter experience and psychedelic visuals. Protect your life rings as you chain together combos and go for a high score!
- 4
Starr Mazer: DSP
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
The UNFP's been kicked in the teeth by a G'ell invasion force and their last and only hope is a planetary outpost and its fleet of experimental DSP MkI Forward Assault Fighters and anyone marshal enough to strap into one and forcefully accept some apologies.
- 5
Super Time Force Ultra
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
Super Time Force Ultra is an insane platformer filled with robots and dinosaurs and fun and time travel... sometimes all at the same time!
- 6
Polygon Attack
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
Break through unlimited waves of enemies and fight unpredictable bosses!
- 7
Astebreed: Definitive Edition
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
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.
- 8
Bit Blaster XL
Single-player alternative to ExtraGalactica — playable solo, no multiplayer required. Shares Action and Indie with ExtraGalactica.
Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!