Games like Steam Marines

Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.

Face the Ancient Gods! Set the sails of your flying pirate ship and embark on a roguelite adventure in the steampunk world of Dead Weight. Explore floating islands in search of loot. Choose a class and enjoy turn-based tactical combat on tiny battlefields where every step matters.

Shogun Showdown is a turn-based combat game with rogue-like and deck-building elements. Position yourself and attack at the right time, upgrade your tiles and combo them to get ready to face the Shogun!

This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.

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.

Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.

Time moves forward only when you do in the dungeons of WazHack. Think your way out of problems instead of just spamming 'attack' and 'drink healing potion'.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

Lead your orbital battleships to victory in Flotilla! Fight, trade, and explore new planets in your journey through the galaxy. Featuring tactically rich 3D combat, flank and surprise the enemy from any direction. When the dust settles, generate another randomized universe for a brand new adventure!

Cogmind is a sci-fi roguelike epic in which you play a robot building yourself from components found or salvaged from other robots. Explore a living, breathing world through turn-based tactical combat, or sneak, hack, and fly your way to victory.

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

Each step into the unknown heals you and reveals new obstacles as you guide fresh heros to glorious retirement or ignominious death. Master tactical spells, appease ancient gods and get rich through taxidermy in this award-winning quick-play puzzle-roguelike.

'The Pair Annihilation' is grid + turn-based strategy roguelike game. Use different combinations of ships, different artifacts, in battles on various battlefields to defeat Udtmos!

Guide puny humans through Despot's Game - a rogue-like tactics army battler. Equip your team and sacrifice them through procedural dungeons as you fight enemies, and other players!

There is a belief that wars are won by soldiers. But sometimes, wars are won long before even beginning. Have mode 1v1 to play with friend at evening.

Create and command custom Mechs to outmaneuver The Swarm in this post-apocalyptic tactical turn-based rogue-lite. Leverage the terrain, learn each Mech's unique skills and use strategy and resources to survive an ever-changing series of battles to give humanity hope.

Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.