Top similar games like Operation: Surface Takeover:

Free-form space defense in real time. Mine asteroids, route power from Helios and hold off pirate fleets. Lose one Conductor and a whole flank goes dark. Build without a grid, choose your weapons and take on 21 levels.

“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!

AOD is a new gameplay in the traditional tower defence genre. You must protect your base from waves of approaching enemies. Build and improve your towers and units and destroy your enemies in any way you can. Don't be weak, destroy them all, show who's in charge!

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.

Pixel Punk is a strategy tower defence. In pixel Punk you build different turrets that will protect you against the never ending waves.

A Byte War is a real time strategy game where you lead a race of block-based machines against a machine threat from another dimension. Construct buildings from blocks arranged in various patterns and leverage your machines to convert the world around you.

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.

Flowchart is your weapon. Recursion is a strategy game merging logic circuit design with tower defense. architect their paths, and defend the system by engineering the perfect logic loop with maximum efficiency.

Take command of civil air defense under constant threat. Build radar networks, manage power and resources, and decide when to sound the sirens. Every choice has consequences. Hold your cities together as escalation turns survival into strategy.

Build your own towers from modular units, adapt mid battle, and master custom defenses in this Build-a-Tower Defense.

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.

Build, expand, and arm a towering 2D fortress to withstand endless waves of ground and air attacks. Set in a nameless frontier village where a siege has lasted so long it became a legend, "The Legend of Mala Tokmachka" turns survival into myth.

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.

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

A hand-drawn survival tower defense on a hostile alien world. No fixed lanes — towers and ice walls reshape the swarm in real time. Command distinct frontline heroes, trigger ecological chain reactions, and defend the Purification Core across expanding battlefields.

Compose your army and outmaneuver the enemy troops on a lane-based map to turn the tides against them. Choose out of many factions, units, upgrades, heroes and spells to gather momentum, push lanes and storm their base in an epic tug of war.

Frontier Control: Invasion is a Real-Time Strategy survival game in which you play the commander of a human space colony under the attack of outer space robots. Build your base, train your colony, and fight herds of enemies and bosses.

A medieval strategy game with indirect control where you fight, achieving victory through rational decisions and smart unit composition. Beware of Vikings approaching the island. Remember, the one who adapts best wins.

The ULTIMATE tower defense onslaught is back. Bigger, deadlier, and more action-packed. Build autonomous defenses, deploy tactical drones, and unleash devastating support abilities in this epic, old-school RTS-inspired sci-fi adventure.

Grimstar is a real-time strategy game with a story-based single-player campaign. Your brother's sudden death has hit you hard, but the laws of the corporation for which he laid down his life dictate that you must take his place until his contract is fulfilled...

RTS, but the soldiers will act automatically: Each soldier has different characteristics/attribute values/action methods. Choose the appropriate soldiers and buildings according to the battlefield situation, and destroy the opponent's castle only through your strategy rather than operation!

This is a creative and challenging real-time strategy tower defense game where players need to constantly expand, build complex battle lines on the map, and fight against groups of enemies. The game has unique rules and beautiful pixel style, with each level filled with tense and exciting battles.

Adapt, strategize, and dominate your rivals in this multiplayer roguelite tower defense brawler. Upgrade towers, wield powerful items, and outlast the madness to become the last Guardian standing!

Raise a fallen keep by day, and hold it through the dark. Villagers with names and tempers fell timber and work the fields — then take up spears when night comes. A dark fantasy settlement-builder defense game.

A real-time naval strategy game set in an alternate-universe archipelago. Design your own warships and aircraft, refine resources to fuel a war economy, then command fleets to launch carrier strikes, hunt submarines, and seize islands.

This is an RTS game less than 300MB, but it already contains many interesting game mechanics, There are many types of soldiers and tactics for you to choose. Support LAN online battle. Special Thanks for Pixel Art <Tiny Swords> UwU~ I hope you will be interested in more RTS games after playing :)

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Defend real cities from night raids on a satellite map of the Earth. Build launchers, nets and radar by day. At night, hunt drones and missiles in the dark before they hit: every strike that gets through puts a city's lights out.

Primal Lands is set in the Stone Age, you will take control of a small tribe that you must guide in surviving what lies ahead. Unknown to their surrounds you must take each action carefully.

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.

10 Lanes. 1 Base. Classic grid-based tactical defense. Defend Our Land is a high-octane lane-defense strategy game inspired by classic grid-placement mechanics. Build a booming economy, position your units, and hold back relentless enemy waves attacking across 10 front lines simultaneously.