Games like Eternal Space Battles
Games like Eternal Space Battles include KovaaK's, Kerbal Space Program, Trailmakers, House of the Dying Sun, and Angels Fall First. We matched them by the tags players give Eternal Space Battles on Steam (Action, Indie, Simulation, Space, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

KovaaK's
Shared: Action · Simulation · Indie

Kerbal Space Program
Shared: Simulation · Space · Indie

Trailmakers
Shared: Action · Space · Indie

House of the Dying Sun
Shared: Action · Simulation · Indie

Angels Fall First
Shared: Action · Indie · Space

Deliver Us The Moon
Shared: Indie · Action · Space

Drug Dealer Simulator
Shared: Action · Simulation · Indie

Space Pirates And Zombies 2
Shared: Action · Space · Indie

Between the Stars
Shared: Action · Space · Simulation

Kinetic Void
Shared: Indie · Simulation · Action

Starship EVO
Shared: Action · Indie · Simulation

Space Engineers
Shared: Space · Simulation · Indie

Atomicrops
Shared: Action · Bullet Hell · Indie

Vampire Survivors
Shared: Bullet Hell · Indie · Action

SPORE™ Galactic Adventures
Shared: Action · Simulation · Space

Star Saviors
Shared: Action · Indie · Bullet Hell

Aimlabs
Shared: Action · Simulation · Indie

Starpoint Gemini 2
Shared: Simulation · Space · Action

War Thunder
Shared: Action · Simulation

EVERSPACE™
Shared: Action · Space · Indie

Megabonk
Shared: Indie · Action · Bullet Hell

3030 Deathwar Redux - A Space Odyssey
Shared: Indie · Action · Space

Feed and Grow: Fish
Shared: Simulation · Action · Indie

Elite Dangerous
Shared: Space · Simulation · Action