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.

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.

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

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.

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.

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.

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.

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.

Yondel is a pixel survival adventure set in an infinite, procedurally generated world, featuring core survival, gathering, early combat, loot, and full single-player exploration.

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

Pick a hero, play with friends, build towers, and slay monsters in this tower defense action roguelike.

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.

Approaching Infinity is a turn-based space RPG in the spirit of the sci-fi classics, with endless progression and exploration. Fight tactical battles or use diplomacy. Seek powerful artifacts. Quest, mine, trade, and craft. Level up forever or attempt 10 victories in hardcore or adventure mode.

Ember Knights is an action rogue-lite for 1-4 players where you play as legendary knights, the last spark of hope against the mad sorcerer Praxis and his hordes of unwavering fiends. Wield weapons & skills, build synergies with game-changing relics and free the universe of Praxis’ corruption.

These days, destroying planets has become one of the hottest forms of art in the universe. The process is simple. Choose a meteor, attach some parts, and fire it at a planet. You can even choose your own judges. Would you like to join this world of art?