Top similar games like Tachyons: Battles Across the Galaxy:

It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.

Brave the Veil of the Soulstones alone or with your friends in this brutal, real-time auto battler adventure. Loot weapons and armor from every foe to build your strength, and through powerful synergies, slay the creatures that lurk unseen in the shadows.

A space roguelike deckbuilder for solo or 2-4 player co-op. Command one of nine factions, deploy stations, and buy new cards mid-fight from a rotating market that reshapes your deck every combat. Build your fleet and conquer Contested Space.

Explore a dangerous planet that's different every time and try to survive! The Galactic Union's job for you is clear: research the alien wildlife -- for science! However, researching may include lasers, explosions, hungry aliens, space sushi, and other similarly delicious-or-terrifying hazards.

Heroes of Might and Magic meets Homeworld. Five Spellriggers, six schools of magic, randomly drawn loot cards and generated battlefields: no two runs alike. Build your fleet, master cosmic-scale spells and conquer the galaxy sector by sector.

Travel between planets, gather their resources, upgrade your arsenal, fight bosses and save the galaxy in this 2d action roguelite. Up to 4 players online.

At One More World, Inc, our mission is to be the ultimate safeguard for planets in need. With our extraordinary team strategically scattered across the universe, we can swiftly confront and conquer any challenges that threaten planetary harmony. Are you ready to join the team?

A fast-paced, loot-driven sci-fi Action RPG where you are Earth’s last hope. Blast through enemies, hunt powerful gear, create powerful builds and take on the Swarm and the factions united under its banner in a desperate fight for humanity.

Expand through an infinite galaxy by making words

Explore an abandoned research facility in this turn-based roguelike. Find your way through the dark, dodge incoming attacks one turn at a time, and recover lost records. Gather supplies for the descent, then venture beyond the survey into uncharted depths.

Mote is a hard sci-fi, squad-based, turn-based tactical roguelike played on a hexes. Create an species with unique abilities, senses, and combat styles. Command a squad as you explore distant systems, encounter new societies, and choose which factions to help, and which to betray.

Survive the horrors of the multiverse, alone or with your comrades, as you battle against an onslaught of insectoid like creatures. Combine abilities in different ways each loop to overcome and return safely to your universe.

Co-op horror extraction shooter. Explore abandoned buildings and hear the screams of a friend being choked by a monster. Crawl deeper into the unknown, fire into the darkness, send teammates to bait enemies, check every corner for supplies, and feel the rush from a successful extraction.

Explore an infinite universe with unlimited possibilities, Conquer the Celestials, Build civilizations, and more! This is an open universe sandbox game, and not even the sky is the limit!

Explore a hostile planet, searching for map data and upgrades. Your robot starts from scratch each mission, having to navigate around obstacles and dangerous lifeforms until you can return with powerful equipment to access new routes.

Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.

Dive into massive, open alien environments to rescue, recover, and battle in the name of Humanity and profit. Select a mission, customize your equipment, drop, strike, and evac to space (if you can). Enjoy the physics based 1st person tactical shooter in VR or 2D, single player or in 4 player co-op.

ROGUE SHIFT is a high-intensity top-down shooter, set on a harsh planet that will test your will to survive. To stay alive, you will pit yourself against hordes of relentless enemies in an unforgiving, hostile environment.

Star Devil is a Sci-fi Station Survival Roguelike Game with dynamic alien infection. Playable in both single player and split-screen co-op.

"Border Jumper" is a mysterious RogueLike strategy turn RPG game. Inside a wired spaceship, you need to carefully choose the combination of skills and props, explore and uncover all the truths. In this game, you will experience unique gameplay and exciting challenges, bringing endless fun.

One person buys and installs it on the TV. Everyone else scans the QR code and their own phone or laptop becomes a bridge station, no install, no second copy. Nobody aboard sees the whole picture, so the ship only works if you talk. Crews of 1 to 9, and death is permanent.

In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Embark on a cosmic journey! Choose your role: Pilot, Engineer, First Mate, or Commando. Conquer the stars with intense teamplay, powerful upgrades, and thrilling battles. Take command, repair systems, or unleash chaos. Victory awaits in this immersive space adventure!

Breaker of Kings is a roguelike first-person party-based dungeon crawler with strategy elements. Train up your adventurers and build your towns in order to overthrow the useless kings and free their people.

Experience deeply simulated, hex-based space combat as an elite starship pilot. Explore a ruined solar system, upgrade your ship, and lead your faction to greatness in this tactical, space RPG with 4X elements.

Celestial Drift is a space-action sandbox game. Play solo or online. Shoot down various enemies to obtain rare and valuable materials. Sell what you find to buy better equipment and ships. Explore sectors to discover hidden paths, and dare to roam places you shouldn't visit.

A turn-based tactics roguelike where you run a mercenary company. Draft and deploy a deck of soldiers and vehicles, hire new mercenaries in the field, take territory against an AI opponent or your friends on hand-built maps, and clear contracts before the week timer ticks to zero and the run ends.

Yondel is an open-world PvE survival crafting adventure. Gather, craft, farm and build as you explore a procedural world, fight dangerous creatures, brave dungeons, descend to Floor -10, and survive changing weather alone or in co-op.

Damn aliens! The choice is: the Universe — or nothing!

Realm of Iron is a dark fantasy pixel-art action RPG for solo or co-op with up to 8 friends. Explore a vast continent, clear dungeons and slay bosses, craft and refine your gear, then farm, fish, cook and build a town while living settlements trade, raid and go to war around you.

Trigon: Space Story sees you take command of your very own spaceship. Carry out tactical battles, defend your vessel against space pirates, and escape from enemy territory. On your voyages, you’ll face a slew of tricky decisions in your quest to uncover the mystery of the galaxy.