Top similar games like Merchants of the Stars:

Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.

Fast-paced space RTS with 10-25 minute matches. Command fleets, conquer systems, or research the Singularity. Simple controls, strategic depth, but no 3-hour commitments required.

Start small, expand your fleet, and rise to power as you navigate a galaxy full of opportunity and danger. This simple, non-traditional sci-fi RTS and space combat game offers strategic gameplay, evolving challenges, and satisfying ship customization through a variety of modules and upgrades.

A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

Sci-fi RTS and Top-Down

Take command of the fleet of starships that is the home to the remnants of your civilization. Manage the limited space of each spacecraft and find the balance between living space, production, defenses, and weapons. Explore the galaxy as you seek refuge and safety from an overwhelming threat.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?

Pit Blocks 3D is a cube-matching arcade style puzzle game where you manipulate falling bricks of different shapes and sizes. The goal is to stay alive as the speed increases over time – and to rack up as many points as possible before the pit fills up with bricks!

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Architect autonomous battleships. Send them on a campaign against deadly opponents. Watch and cheer as they dominate, or cry as they explode. Obliterate dreadnoughts. Configure intelligences. Master weaponry. Free the Great Skies. THE OPPRESSOR MUST FALL.

On SPACE HIT you finished your space mission, and it's just time to come back home, but your journey will not be so easy as you think...

Beyond The Brink is a top-down spaceship adventure game where you mine, trade, and survive on the fringes of colonized space. Upgrade your ship, explore asteroid fields, face pirates and aliens, and uncover treasures in the dangerous, uncharted reaches of space.