Top similar games like System Status: SuperCritical:

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.

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.

Space Grid Tournament lets you take part in the most spectacular sport of the future. Spawn your robotic players, fight to take control over every tile of the field, and lead your team to glorious victory. Fast, tactical, and brutal shot of fantastic sport emotions!

This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.

Take command of the mech and become the ultimate strategist. Construct impregnable defense facilities, handpick potent skills, lead your troops, and defy relentless enemy assaults. Will you emerge victorious in this thrilling battle for supremacy?

Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

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.

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 strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?

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?

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.

Defend humanity in IRON GUARD: Salvation. Build and upgrade turrets, support your heroes, and personally join the fight with your drone’s firepower against relentless machines.

On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.

Temporal Titans is a Tower-Defense game with Time Travel. Send mechs back to previous waves to prevent your defeat, and protect your salvage team from the monstrous Grell as you scavenge the ruins of a lost earth. Rewind, rethink, and reclaim the future!

Join our machine legion to conquer the world.

A sci-fi Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with player controlled drone. Build and collect resources and help evacuate your crew from the alien planet.

INTERGALACTICORP. is a sci-fi rogue-lite tower defense game where you take on the role of an operator-bot, charged with conducting an intergalactic mining operation. Will you thrive as an efficient miner in this alien environment, or succumb to the dangers that lurk in the depths of space?

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.

Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!

TEOM is a roguelite strategy game that draws inspiration from the tower defense genre to innovate it through dynamic levels, interactive elements, and high replayability. Follow Aiden and his friends on an unexpected journey through this vibrant world.

Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.

Become the champion of the ultimate galactic show in this intense blend of Tower Defense and tactical assault. Manage resources in real-time, deploy your AI squads, and annihilate your rivals before billions of spectators in Quantum Fight: Aero 2299.

Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!

A classic sci-fi tower defense game filled with waves of robots in full 3D. Get rewarded with automatic mini upgrades for well placed towers. As you make progress, unlock even more upgrades for your towers by building factories. Can you unlock the legendary golden tower?

Defend Mars from humans

Scrap Metal Heroes Rebuilt is a real-time strategy game where you can customize a set of 4 robots with over 300 parts and fight them against an AI opponent or other players.

A unique 3D tower defense game set on randomly generated planets! Place towers to defend against 360-degree attacks, protect mining outposts, and survive intense meteor waves. Earn resources, and face endless replayability with dynamic challenges every playthrough!

Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!

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

A dark fantasy tower defense and survival game where you build defenses by day and possess your warriors by night to fight off endless waves of monsters.

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.

The Final Bastion is a Multiplayer PvP & PvE Tower-defense with a classic Medieval-Fantasy theme. Compete against players in head to head online in a PvP, sending waves against the enemy and growing your economy. Play side by side with your friends in PvE and see who survives the longest.

Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

Command from above. Fight from within. Viridian Corp. is a single-player sci-fi Action RTS and third-person shooter. Lead the Free Cluster, capture mining zones, direct your forces, then Mindwalk into a soldier and enter the battle yourself.

An RTS/Action 3rd person shooter that lets players take on hordes of enemies while defending their base. Use strategy, unique abilities, tech research and combat skills to be victorious. (Currently in Pre-Alpha stage, 1 developer team)

Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.