Games similar to Exoplanet War:

Legends of Equestria is a MMORPG where players play as a pony in a magical world filled with friendship and many adventures.

A brand-new spaceship sandbox MMO set in an alternate New Eden, the sci-fi universe of Eve Online.

The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton. In response, Star Control is formed with you as The Captain of Earth's first prototype starship.

Ashes of the Singularity is a real-time strategy game set in humanity’s not-so-distant future. What it means to be human has changed with the coming of the singularity. In the post-human economy, sentience is now the most valuable commodity in the universe. The only way to acquire more of that is through the control of Turinium – programmable matter – which can extend consciousness to levels we can't even imagine. Worlds are being transformed into this substance and wars are now being fought across the galaxy for control of those worlds. Each conflict takes place across an entire world. It isn't a skirmish. It's a war. Thousands of units are constantly constructed and sent across the planet with the player directing entire armies, in real time, to capture key resources in an effort to gain total control of the planet.

Hire heroes, build an army, prevail in battles and try to keep your empire intact in the face of grave danger. Eador. Imperium is a new chapter in Eador series, known for its unique blend of grand strategy, turn-based tactics and RPG elements.

The Wrath of the Goddess expansion is now live! Journey to the mysterious continent of Kharath, where the malevolent sorceress, Naez, is plotting to summon an ancient evil into the mortal realm. The hope of the world lies with you, Soulkeeper...

Can anyone build an empire in a place like this? Other factions are naturally suspicious of newcomers and may wage war at the first sign of unidentified craft. Here, a natural death is an uncommon luxury.

Distant Worlds: Universe is the newest chapter of this critically acclaimed sci-fi series, adding incredible new features and an exciting new storyline.  Universe is also the ultimate collector’s edition, the first time all previous Distant Worlds releases have been included in one package, along with an updated manual and greatly expanded modding support. Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. The Universe is Yours!