Top similar games like Strong Fortress:

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

Acid Planet is a caustic blend of horde-survival, tower-defense and strategy. Build, fight and evolve to survive against rampaging swarms of monsters and fearsome Kaiju.

Vampire Ascent is a casual real-time strategy survival game with rogue-lite elements where you play a vampire lord. Survive endless hordes of enemies and defend your castle by building your own vampire kingdom. Choose from a variety of traits and upgrades to create unique builds.

Defend galaxy against Alien invasion in the RTS offline game with roguelike fun

Jump into this tactical tower defence! Defend your dungeon from an adaptive AI that'll respond and react to the dungeon you create. Trap up your treasures, make mobs and magic, and defend your dungeon!

Command Captain Hope's ship in this strategic 2D space game. Build structures, deploy fleets, and manage resources to defend the Citadel against waves of enemies. Combine direct ship combat, tower defense, and base building as you face epic boss battles.

RTS Football is a game with all the classic mechanics of a 2D Real Time Strategy game but with added (American) Football elements. Battle and blow up the opposing robots in pursuit of scoring touchdowns and not turning the ball over.

{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.

An RTS where your units only take orders inside your radio network. Build relays to push the signal out and keep them alive, because the enemy goes for them first. Four maps, a hundred waves each.

A small scale base building strategy game for those of us who can't keep track of a million things anymore. Build, expand, and gather resources while holding off waves of enemy swarms.

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.

Equip your mechs, drop them from orbit and hold the line. NEEDLEFALL is a horde defense RTS for 1–4 players. Build pipes to carry Flux to the Core and your turrets, raise walls, command your mechs against swarms of hundreds of creatures and destroy the twelve hives.

Negative Energy is a tower defense game with basic RTS mechanics, where your goal is to defend the construction of a Dyson sphere, while fighting against waves of hundreds of enemies ships.

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.

In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults.

Power the Unknown is a strategy game where you build a base on an unexplored planet and defend it from swarms of hostile bugs. Mine resources and generate enough energy to power your ever-growing base.

Apocalypseed is a 2D real-time strategy game where you are the invasion. Devour humans to harvest flesh, build and strengthen an army of alien plants, and evolve your creatures into new forms with unique abilities. Crush the human resistance as it deploys increasingly dangerous threats to stop you.

Divine Orbit is an orbital crisis roguelite where you build a living planetary defense, manipulate the battlefield with divine powers, and survive cascading disasters that change the rules of your carefully constructed system.

A minimalist incremental defense game. Start with one missile silo over your city, destroy screens full of threats, upgrade your firepower, and turn the Moon, the Sun, a black hole and even higher dimensions into weapons. Ten scales, ten chapters, ten doomsday ultimates.

Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.

Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!

Cosmic Stronghold is a mix of the genres RTS and Tower Defense. Your primary goal is to keep your space station alive for as long as possible, so that it can harvest the nearby mines for precious mineral ores. You will be faced with waves of enemies, getting stronger and stronger for each wave.

A sci-fi tower defense in the spirit of classic RTS games. Fly an armed drone over alien battlefields, build and upgrade turrets, unleash superweapons and find out why the terraformer robots rebelled — before your crew is lost on an unknown planet.

About：The solar system was invaded by aliens of unknown origin. The earth has fallen. As the commander of the surviving space fleet, return to the solar system from outer space and save the earth.

Mullets, missiles, and monsters fly in a hectic, intergalactic resource race. Build bases, set traps, mine & destroy terrain, command troops, pilot vehicles, level up, unleash chaos, and master unique hero abilities. Multiple game modes keep strategies fresh. Choose your faction.

Build an oasis city in a hand-painted desert. Manage resources, defend your walls, and conquer bandit kingdoms. Trade supplies with friends, capture and raise dragons, command their attacks, and soar with them above the battlefield.

Point clouds have invaded your paint app. Draw walls around your heart, drop bombs, call air raids and fire the MEGA ERASER into a swarm of up to a million dots. Every wave grows your dice skill tree. Then send your base to our other game and let an army march on it.

Countryball RTS The Real-Time Strategy Game set in 1914. Choose your country, build your base, and manage your economy!