Top similar games like HOLLOWSIM: Industrial Voidline Defense:

Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads . Good luck Commander!

Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.

The first ever auto-battler game, from way back in 2009Who 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.

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

A war fought in pencil on a single sheet of paper. Your fleets are marks drawn by your Hand. Command sketched ships in real-time battles, alone across a conquest campaign, or online with friends.

A game in the genre of management strategy. Here you can build your own factory for the production of robots, and on another planet, and extract resources and test robots on other different planets.

Andromeda Wars is a retro styled space RTS. In Andromeda Wars you must gather power, build a fleet, build defences to defend your mothership, and try to survive the onslaught from the opposing factions. Each ship you add to your fleet gives you powers but also reduces your dwindling resources.

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.

Fleet is a light rogue-like game with real-time tactical elements. Players take on the role of a commander, assembling diverse space fleets to repel wave after wave of enemy forces. You can also integrate your wildest ideas into the game by expanding it with MODs.

In this evolutionary simulation game, you play as a deity sowing the seeds of life. Each human you create possesses a unique genome, where the combination of desire genes determines their behavioral patterns and fate trajectory. A sandbox about life, choice, and destiny awaits your discovery.

Command a colony on the brink in Ants Megapolis. Survive an unforgiving world by forging your unique Pheromone, a weapon that dictates your evolution. Carve out an empire from the dirt as an interactive narrator chronicles your savage, epic story of survival.

Two kingdoms in battle against each other, the king Bennevert called for the legendary mighty mercenaries to defend strategic posts in dangerous lands in the battlefield. Are you prepared to be a mercenary?

A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

GOBLIWIN is a fast-paced 2D swarm RTS where you build a goblin war camp, raise chaotic armies, command massive battles, and overwhelm fortified human strongholds through clever tactics, upgrades, and sheer numbers.

Inspired by modern science fiction! A modern real-time war game, the screen is in the style of realism, the fast-paced attack effect is easy to fatigue, easy to use and simple to operate, mainly in the traditional style

Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.

Command massive space battles where thousands of ships clash in real time. Build your fleet, choose a doctrine, reinforce the battlefront, unleash commander abilities, and adapt as unexpected events turn the tide of war in this mashup of strategy and auto-battler.

Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.

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 Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Real-time squad combat meets roguelite progression. Pick your faction, earn legendary heroes on the battlefield, and grow stronger with every run in Rank & Ruin

Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!

Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.  

Devices Disruptive Offense Simulator (D.D.O.S.) is a physics-based 1v1 combat game where you setup and distribute malicious devices to smash, shoot, blast and electrocute the hostile servers till they get denial-of-service.

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.

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

A rocket simulation game inspired by SpaceX's rocket recovery technology: Precisely control rocket engines, plan launches, complete missions, secure government funding, deliver supplies to Mars, and ultimately achieve Mars terraforming and human colonization.

Return to WWI in the updated Supreme Ruler engine. Engage in global tactical combat. Manage your country's economy, research and diplomacy. Includes more than 50 countries set in 1914 or 1917 with no fixed end date. Enjoy improved game performance and visuals in this remastered title.

Build your unique spaceship and explore space. Travel between planets, fight different opponents, trade and develop. Build the most efficient ship and fight with other players in multiplayer. 17 languages available.

Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Build and manage the ultimate Japanese hot springs inn.