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!

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.

A sci-fi tower defense where you design enemy routes and build defenses on alien planets. Combine 16 weapons, hold off counterattacks, and advance through a four-planet campaign. Research new gear, face wall-breakers and bosses, or try Endless Mode, seeded expeditions and the map editor.

Battle and build in a top-down shooter in a real-time tactical war. Lead your squad and your people as they grow. Build new or reinforce old strongholds that must hold while you push on. The war is growing, so too must you.

Command a nuclear-powered fast attack submarine in a modern warfare sim where you must use sonar to hunt enemy ships, evade hostile aircraft, stalk enemy vessels and strike from the shadows. Every contact is uncertain. Every choice is a risk. Every weapon fired may reveal your position.

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!

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. 

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.

An incremental swarm tower defense. Play solo or 2–4 player Steam co-op. Defend a doomed mining colony through a full campaign, infinite procedural maps and Workshop creations. Build towers. Call orbital strikes. Kill billions. The only good bug is a dead bug. Do your part!

Command a fleet from orbit, then drop into the cockpit of any ship in it. A space RTS and first-person flight hybrid across 48 star systems, with mining, trade, research, factions, bounties and a fully voiced solo campaign. Play solo, in co-op, or host your own server.

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.

Horde Below is a zombie-themed incremental tower defense game. Fight massive zombie hordes with your towers and your own weapon. Buy permanent upgrades, evolve your towers, and turn the battlefield into pure chaos.

Fight a relentless fluid enemy in this mix of tower defense and real-time strategy. Build your base, grow your forces, and unleash massive firepower to reclaim vast flooded worlds. Face Creeper types with different physics, deploy experimental technology, and create your own maps and units.

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.

Space Year 2899. As the new Operations Chief of Japan's Space Facility Defense Office, protect orbital colonies from debris, space lifeforms and drone fleets. Build and upgrade defenses on 10 orbits with different routes, and reshape your tactics with 130+ research projects.

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.