Top similar games like Fortified Space:

BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of your flagship. Explore, mine, trade, hunt. Grow your fleet, upgrade your ships, train your captains, and battle the enemy from the captain's chair.

If I would categorize "BattleField BattleFront," it would be summarized as a RTSTD (real-time strategy tower defense) game.

Lead a powerful space battleship and bring victory to humanity in the midst of an endless war.

Get ready for an epic pixel art showdown ! Dive into the heart of tower defense chaos as you battle against scrumptious calorie-packed enemies, all on massive, sprawling maps. With an extensive arsenal of towers at your disposal, it's time to defend against the ultimate sweet tooth invasion!

Build powerful defenses, collect loot, combine effects, and survive evolving waves from the void in a tower defense game driven by ARPG-inspired buildcrafting and persistent progression.

Operation Valor is a tactical top-down multiplayer shooter that provides large scale combined-arms combat through base building and teamwork.

Battalion of Tanks puts you in the boots of a world war commander—rush checkpoints, blast enemies into pieces, and feel the chaos of every BOOM!! Explosive battles where you just want to keep destroying!

Frontiers Reach : Battlespace is a low stress management/idle game set in the Frontiers Reach Universe, here you'll take command of a carrier and participate directly in the fight for control of planets in the frontier worlds.

2d pixel art, top down sci- fi space ship building, resource management simulation with some arcade, tower defense elements. You build spaceship, collect necessary resources and defend yourself against waves of enemies. Equip ship with: rockets, life support, electric system and weapons.

Explore the stars in this 2D top-down sci-fi game, where you can engage in dogfights with spaceships or disembark to challenge your enemies on foot. Complete contracts, unlock stronger ships, and discover ancient mysteries hidden in forgotten galaxies.

Tactical control meets strategic execution in this real-time, action tower defense. Develop classes of customized units and leverage different vantage points to defend your stake and ensure your colony’s survival.

Massive battles rage in the stars! As a new pilot in the Allied Starfighter Corps, help turn the tide against a ruthless enemy. Hundreds of ships struggle to achieve victory in huge, team-based missions. Shoot down fighters, torpedo star cruisers, and duel famed enemy aces!

DRONE SMUGGLER is an old-school, top-down space shooter with ship customization, randomly generated levels & obstacles to navigate/destroy, and thematic sounds that seek to capture some of the magic of classic video game music & effects. Battle shadespace hazards and fight for the HIGH SCORE!

/You are the captain! Pull yourself together and get us out of here... sir!/ — gather EXPARTS, advance weapons, master space flight, and rain metal onto your enemies in this physics-driven space sim roguelike where playing chicken with asteroids is just as dangerous as enemy fire.

Gather exotic resources, build defenses, research new technologies, and explore the mysteries of the void, all while being chased by the darkness from the end of time.

Star Armada is a spaceship auto-battler where you assemble and command a fleet of capital ships and fighter squadrons. Unlock powerful new ships and outfit them with a range of turrets, energy shields, and starfighter hangars. Engage in automated battles, carefully timing unique abilities to win.

Rocket Squad is a PvP game where you and your team control a single space ship, and must work together to take down the enemy ship!

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Rise of Commander: A New Era of Modern Warfare Begins! Commander, prepare yourself… A new generation of real-time strategy awaits!

Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.

You are the last living organism in the galaxy. Adrift and alone in a cold dark world you must scavenge for resources to keep your ship running, and arm your ship to prepare for the swarms arrival. 

Command a fleet of customizable ships in this roguelite strategy autobattler. Liberate planets to unlock new ships and powerful upgrades. Engage in strategic battles, manage your fleet, and face escalating challenges as you fight to free the universe through increasingly difficult galaxies.

Novalast is an immersive 2.5D Space RTS with full physics based combat, putting you in the Captain's chair of powerful starships. It features a fully physicalized logistics and supply system, where Nolithium supply matters. Run out of Nolithium, you're dead in the water.

Build, fuel and manage your spaceship using blocks and fight in space with enemies alike you in a roguelite fashion! Use your skills, weaponry and some luck to come to the last extraction zone!

A new-style space war game that blends strategy simulation and shooting action. Command your fleet on the map and pilot your own fighter in battle. Combine 25 types of warships and 49 types of fighters freely, and build your ultimate fleet using production, capture, and formations.

A Roguelike Tower Defense in space with missions to conquer. Can you hold against the spreading alien bosses? Build and upgrade towers against the corruption. Choose your technologies and warpspeed your way to victory.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Experience cinematic space warfare in SALVO, an action packed real-time tactical combat simulator. Command your flagship and engage in intense battles in a war-torn solar system. Play a story-driven campaign, or forge your own destiny across the dangerous frontiers.

Destroy. Salvage. Repair. Upgrade. PROFIT! A real-time tactical experience where you command your own mercenary outfit of mechs and mercs and adventure through randomly generated missions filled with rewards, glory, and bitter defeat.

A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.

RIDICULOUS SPACE BATTLES is the spiritual successor to the first ever autobattler game: Gratuitous Space Battles! After a fifteen year wait, the ridiculously over-the-top and completely unjustified battles in space ARE BACK.

A fast‑paced symphony of destruction where you are always outnumbered. Survival demands constant motion, sharp evasion, and smart arsenal management.

Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.