Games like Aetherspace

Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.

Fleet up with thousands of players in The Infinite Black -- The wildly popular online space combat and adventure game! Command massive spaceships, form powerful corporations, and battle it out in never-ending intergalactic warfare!

Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.

Stake your claim, command your fleets, and wage epic war in space.

A mini-game designed for split screen experiences with up to 8 players. Pilot your spaceship through an anti-gravity suspended asteroid field to destroy enemy targets. Summon wingmen to coordinate your team, unlock upgrades to increase your spaceship’s efficiency, all in objective or deathmatch modes.

BattleSpace is a sci-fi flash game designed to play in the comfort of your web browser. In this free online strategy game, you step into the role of an Admiral, building a solar system in the depths of a faraway galaxy.

For victory you need only three tools - Cannons, Lasers and Rockets! Discover a spaceship MOBA game with 2D combat in 3D environment, wide variety of play styles and fun gameplay for casual and pro gamers alike.

Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.

Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.

In Stellar Impact you command a space battleship in intense tactical combat with teammates!

Welcome to The Outer Rim, where fast paced action and space combat meet. The Outer Rim: Survivor missions are free to download and play...Pure Action, Pure Mayhem - How long can you last?

Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.

Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.

A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.

Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Starfall Online is a real-time multiplayer strategy mixed with wargame. Three rival factions — Deprived, Vanguard and Eclipse rule the world, and you are to become the part of the confrontation between them. Gather your own fleet and embark on a journey through the Galaxy!

Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.