Single-player games like Nebula Live: Galactic trials
Below are 8 single-player Steam games similar to Nebula Live: Galactic trials, 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 Nebula Live: Galactic trials page.
Ranked picks
- 1
VectaGuard
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
Arcade-inspired shmup action where neon vector caverns explode with modern visuals, dynamic music, weapon upgrades and intense score chasing.
- 2
The Last Sideran
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
The Last Sideran is a hand-drawn 2D arcade shoot ’em up with select stylized 3D elements, following Zenia, the last Sideran. Dodge the Spikes, gather star essence, unlock ships with distinct weapons, and chase high scores through escalating runs.
- 3
Throst
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
Throst is a 2D-retro-arcade-action adventure about precision flying under constant gravity. Dive through tight tunnels, outmaneuver and destroy defenses. Grab the enemy’s energy orbs, and blast your way back to orbit before you’re crushed or shot down.
- 4
Frutz
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
Dodge, dash, and blast through five handcrafted worlds in a fast pixel-art arcade shooter built for score chasing, boss fights, and perfect runs. Free demo available.
- 5
Stardust Galaxy Warriors: Stellar Climax
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
Stardust Galaxy Warriors: Stellar Climax is a fast-paced couch co-op action shooter with SHMUP/Brawler gameplay and RPG elements. Choose your mechs, weapons & upgrades then soar through space, defeat evil & save the future... from itself!
- 6
Syder Arcade
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.
- 7
Earthion
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action with Nebula Live: Galactic trials.
Earthion is a side-scrolling space shooter developed natively for 16-bit systems. Guide space fighter pilot Azusa Takanashi in her fight to repel the alien invaders and save planet Earth.
- 8
Really Big Sky
Single-player alternative to Nebula Live: Galactic trials — playable solo, no multiplayer required. Shares Action and Indie with Nebula Live: Galactic trials.
A super fast, twin analogue shooter for the modern age!