Top similar games like Space Grunts:

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.

The XCOM: Enemy Unknown - Slingshot Pack is Now Available!

Steam Marines is a squad based Roguelike set on a steampunk spaceship. It features tactical play focused on positioning and careful use of resources. Built to keep you on your toes as you progress through the decks of your besieged ship while clearing enemies and trying to reach each level's elevator.

Deadly Racing Duel - in the role of a racer who conquers circuit auto racing, you accept challenge after challenge in order to prove how good a racer you are.

Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

Halfway is a turn-based strategy RPG taking place a few hundred years into the future. Humanity has started colonising new worlds. Until now, they were alone ...

Hecaton is futuristic action rogue-like set on Titan, a terraformed moon of Saturn. Play as a Bounty Hunter and fight your way through an army of space pirates. Brave the surface of Titan and begin your descent to find the Pirate Base and your ultimate goal.

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

In this top-down roguelike shooter game you go through levels of enemies to defeat [???] which escaped from [???]. You do this with the help of weapons and items you find on the way. You can equip up to two weapons. Mix and match the weapons and items you find to make combos that work together!

A sci-fi dice-driven roguelike where your dice fuel both your abilities and your enemies’. You'll need strategy and luck to outwit dynamic foes, harness synergistic upgrades, and escape creeping galactic doom before Fate catches up.

STDB! is a rogue-like game about hardcore mercenaries and space marines escaping from a very cozy planet filled with monsters, nuclear fire, viruses and pixelated violence.

Using magic is harder than it seems in old-school roguelike Are You A Wizard! Level up, explore procedurally generated stages, and battle scores of enemies using nothing but the spells you found lying on the floor! But what do the spells do? There's one way to find out!

KNOW YOUR ENEMY. FIRE YOUR CANNONS. A spaceship management and combat game. As the Captain of Silver Wolf, command your crew and use your energy strategically. Change your future with your decisions. Arm your ship and strengthen its shields. Survive in the solar system full of dangers.

"My Master's A Moron" is a 2D turn-based, tile-based roguelike & roguelite dungeon crawler. Explore your way through your Master's basement (that he happens to rent out to monsters) and discover a multitude of enemies, items, spells, armor, upgrades, and more.

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.

Stellar Raiders is a turn-based tactics roguelike where you lead a crew of space pirates, raid enemy ships, and grab as much loot as you can before making your escape.

ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.

Board the enemy spaceship while defending your own in turn-based tactics. Outmaneuver foes, chain creative combos, and if you see a better way, rewind and take it. Push for greater rewards, so you’re ready for the tougher enemies ahead. But be aware of the enemies that are pushing back right now!

Hyperspace Deck Command is a complex deck building roguelite. Command a massive space fleet that operates on individual turn timers, combine a wide variety of cards into powerful decks and master the dual-use status effects to defeat the hegemonising swarm.

Cosmic Cursor: Prologue fuses simple mouse-based controls with a challenging, reactive bullet hell for the ultimate pick-up-and-play roguelike experience.

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.

Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!

Card Quest is a dungeon crawling adventure game with unique card combat. Play with a variety of unique character classes, and customize decks to fit your playstyle. Explore the strategic depth of tactical roguelike gameplay, and crush the undead plague.

Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

An addictive mix of strategic combat and army building, with the precision of an RPG. Design your squad members' exact build of equipment and talents to create unique fireteam combinations. Step into the pilot suit of a Leviathan mech, lead the Templar Knights in turn-based tactical warfare.

A minimalist sci-fi tower defense. Buy soldiers and upgrade them, defeat waves of enemies, hold your lines.

Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...

Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.

Cast spells, dash around hordes of enemies, and assemble powerful combos as you explore procedurally generated dungeons. Chaos Caster is an action roguelike focused on strategy, playstyle variety, and replayability.

Test your luck and cunning in this exciting RPG as you craft, cast, and pillage your way through Lord Dredmor's Dungeons.

Rustwing is a twin stick shooter roguelike, set in the distant future. Navigate from star to star, battle the scattered factions of humanity, discover strange anomalies, customize your weaponry, acquire powerful upgrades and become a legendary pilot!

Orbit Express is a physics-based roguelike game. Pilot your delivery spacecraft through a procedurally generated galaxy, creating a unique challenge every time you play. Avoid collisions, upgrade your craft, mind your fuel, and master your flying skills, all for a minimum wage!

Trapped in the vastness of space as a Life Support AI with no crew. Find your way home by salvaging and upgrading your ship in a sci-fi rogue-like adventure.

Convoy is a tactical roguelike-like inspired by Mad Max and FTL in which you cross a wasteland in search of parts for your broken ship. Presented in pixel art and set in a future post-apocalyptic setting, Convoy is a squad based tactical combat roguelike-like in its core.