Top similar games like DEEP FORTRESS:

An RTS base builder with huge battles, constant production, and autonomous ships. The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses.

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

Roboden is a fresh take on the RTS genre: less micro-control tedium with more units!

Astro Industry Wars is a lighthearted, futuristic real time strategy game with base building, economic production chains, colorful worlds, and lots of vehicles.

Scifi strategy game combining turnbased strategy and tower defence Upgrade and customize your own mechs to adapt in an ever changing world!

Hexfall is a planet-scale tower defense game where over 100,000 enemies attack at once. Mine the crust, wire the power and arm a hex world against an armada that fills the sky long before it comes down.

Collect figures from capsules and build your battlefield with hex terrain. Arrange neighboring skills, transform vehicles, and combine robots as you chase ten wins in this miniature autobattler.

An inventory-management airship-building auto-battler. Design your battlecruiser, pack its hull with powerful weapons, and arrange support systems to create synergies that multiply its firepower from hundreds to millions, then watch it battle ever-escalating threats.

Upgrade your engine’s arsenal in this bullet hell, tower defense roguelite featuring the most heavily armored locomotive in existence. Engineer and command the Ironfront Express in a unique take on lane defense where you upgrade with specialized turrets, drones, and tactical abilities.

Welcome to the night shift. You're an underground mechanic tinkering with salvaged hardware and retro-chassis. Wire up your rigs, deploy them into automated combat arenas, and sit back while the telemetry rolls in. Grind scrap, synthesize experimental parts, and perfect your machines.

Expand TD is a tower defense roguelite. Explore the map between waves, build your defenses, and discover useful locations, strange encounters, hidden rewards, and dangerous threats on every run.

Endless Defense is a roguelite sci-fi tower defense game where every run becomes a new build. Place turrets, choose traits, draw upgrade cards, use special tiles, and evolve your defense to survive endless waves of enemies, elites, and bosses.

Build and defend your fortress while expanding out in this hold-out tower defense roguelite. Battle across a procedural alien homeworld, fight back corrupted terrain, discover hundreds of structures and upgrades as physics-driven swarms threaten to wipe out humanity.

An auto-battler where the board is a castle. Merge units to evolve them, raise walls to steer the assault, and fight in the line yourself. Every round an army comes for what you built. Every run deals you a different hand.

Build fortified bases, protect your ore and power networks, and command infantry, armor, aircraft and warships in a near-future single-player RTS. Lead an eight-mission campaign or customize skirmishes against rival AI commanders—with an AI ally at your side.

You play as a robot colonizer that has been sent out to an alien planet with one goal. Harvest its resources and send them back home. To accomplish this you must build a base on the planet. But the native inhabitants of the planet won’t sit idly by as you strip their world of its resources.

Creeping Dusk is a tower defense game. Build a town around an abandoned gold mine and defend against monsters that swarm the area. Fortify your defenses, and prepare for the increasingly challenging nights. Will you be able to protect your town from the encroaching darkness?

TAVU is a PvE RTS game with a tactical combat system. Build your bases and defend them against waves of enemy attacks. Upgrade your units and destroy enemy bases to gain new territories and resources.

A real-time tug-of-war roguelike deck builder. Your buildings spawn your army. Your cards, blueprints, and imbues decide what that army becomes. Place buildings in your yard, work the belt, and push two lanes until one stronghold falls.

Defend your outpost in this tower defense with a raiding twist. Battle the ruthless Nova Roma Corporation as you build, loot, and survive relentless assaults.

Immerse yourself in Nordhold: Origins, a tower defense game with high replayability. Build a medieval Nordic village, develop its economy, and defend it with unique towers and upgrades. Choose heroes and relics, compete on leaderboards, and aim for the Valhalla rank!

Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!

You are on the run. Build stations in hostile systems, gather what resources you can, and jump away before you are overwhelmed. Your ships are slowly failing, but the Swarm is relentless, hungry, and on your heels. Can you survive long enough to secure a future for humanity?

Welcome to GRL, where it's your contractual obligation to clean up planets overrun by Rot and Rust. Each run is a galaxy-wide broadcast with conditions usually mean to make things more challenging for you. Draft mechs, build their kits, and find the synergies that keep your squad in the fight.

Build and defend your base, plan coordinated strikes, and command your forces in a cinematic real-time strategy game focused on tactical decisions over constant micromanagement.

Starcore is a free-to-play voxel fortress-defense roguelite. Build, mine, research, and fight escalating swarms solo or in four-player co-op. Wage team battles in Corenet, or create and share custom scenarios through Steam Workshop.

A roguelite army-builder auto battler where every choice matters. Shape your path through battles, merchants, and risky trades, build powerful synergies, and create a new strategy every run.

Build towers, unleash ultimates and command six heroes in sci-fi tower defense. Play all 100 Scenario stages free. Try one-minute highlights of Basic and GRID COMMAND before purchase, then take your aerial fleet into GRID COMMAND's survival battles.

Become the commander of a mighty army of fearsome battledroids, and watch them fight in epic battles of mass destruction. Create your defences and test their strength, or send your forces to crush those of your friends and enemies online!

Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.

A sci-fi low-poly tower defense game. Design your defense against waves of aliens using a wide arsenal of different towers.

No one knows the gods who created this universe. Only worlds with medieval empires remain, some commanding magic, in a constant struggle to survive. They face their own wars, but also brutal challenges. Someone is testing them, but the purpose is a secret.

Tower defense meets alchemy: Brew flasks, throw them at your enemies to counter their special abilities, or empower your towers with them. Defend Khaldoria in a fully voiced campaign built around your magical board game. Play the free demo now!

Rip their weapons off. Bolt them on. Take the crown. A voxel roguelite auto-battler where you choose fights for the parts you can salvage. Build a ridiculous scrap squad, set up powerful combos, and watch your plan play out.

Customize your skills and rain hell upon the endless hordes of robots. Test Lab Inc. is a fast-paced game where you'll be constantly tweaking your abilities until you become the ultimate weapon of mass destruction and crush all the puny robots that dare cross your path.