Top similar games like Siege of Centauri:

Command cubic armies in a classic explosive RTS but with a twist. Inspired by games like C&CG, SC2, & Total Annihilation. Build your loadout, deploy across land, sea, and air, and outwit your rivals in fast-paced tactical warfare.

Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction.

The machines are coming! Build a maze and place powerful towers to defend your portal against an army of robots!

Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.

The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

Join our machine legion to conquer the world.

Lead an unlikely team of commando scientists behind enemy lines to fight Nazis, uncover arcane mysteries, and wield experimental technology to turn the tide of WWII in this real-time tactical stealth adventure.

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.

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?

Engineered to Purpose is a new tower defence game where you custom-design towers to defend your base, with millions of builds to explore and refine. Set in the far future, E2P's story of posthumanism, family, and change will open new worlds to explore and survive.

Fight battles through human history, defeat your enemies and save humanities future! The Unwanted War lets you follow history itself and take influence on humanities ultimate fate. Are you going to use your knowledge and power for good or will you bring doom over the human race?

Millennium Conflict: a real-time strategy game set in space where you must act fast to stop attackers from conquering your universe. With 40 levels, weapon upgrades, and new generals to recruit, it's up to you as the only surviving male to lead your troops to victory.

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!

Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!

A classic tower defense game with ordinary graphics didn't fascinate you? Well, let's give a try and see how long you can defend! Show your commanding skills and prove no enemy can break your defense! Be a hero and save humanity with the LAST DEFENSE!

The Elgem Nexus is under attack! Protect it by killing enemies, upgrading gems, and discovering powerful combinations. Not all gems grow the same, and the randomness creates infinite replayability in this element-themed tower defense game.

Co-op and Single player Tower Defense genre.

Sudden Strike is back! The beloved Real Time Strategy series returns, this time with bigger battlefields, more units, better graphics, new scenarios and legendary commanders – making Sudden Strike 4 more tactical and realistic than ever before!

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.

Button Pop is a 3D Tower defense game fused with Button mashing chaos. Construct the deadliest defense strategies by unlocking powerful traps and turrets across a variety of terrains, while building your very own button with the rewards of your adventures!

The core gameplay of Cubic Defender is strategy planning and resource management, with the aim of deploying heroes and defensive towers to eliminate invading enemies.

Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, and defend your stronghold against relentless attacks. In this action-packed block-builder, survival is earned, and only the strongest will remain.

Novalance is an online isometric PvP shooter set in a futuristic universe where Mecha dominate the battlefield. Win battles to earn credits, purchase new mechs and weapon systems, and customize your loadout to match your playstyle.

Unleash your inner necromancer in Crypt Keeper – a roguelite strategic tower defense game. Summon your skeleton army, build your base and defend it against endless waves of heroes determined to see you vanquished.

In this thrilling Tower Defense - type game, you will become the main defender of your kingdom. Build powerful guns and strategically deploy them on the battlefield to fend off waves of incoming enemies. Your goal is to protect your territory and destroy all threats using various types of guns.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Rule the battlefield from orbit! Crystal Nexus: Alien Siege is a hybrid deckbuilding tower-defense game that puts you in charge of outposts on hostile alien planets. Look down on the battlefield from your space station and deploy towers, weapons, and buffs from the cards you’ve collected!

Includes 47 Steam achievements, leaderboards, and stats!

Upgrade and evolve, expand your territory, and build mighty defense towers to repel hordes of monsters.

The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.

Voxel Vanguard is a dynamic strategy game set in a vibrant voxel world where players must strategically expand their territory by placing interconnected towers. Navigate through voxel worlds, strategically deploy towers, and connect them with tethers to fend off threats and conquer new territories.

Men of War is a stunning Real-Time Strategy game that takes place during the height of World War II. Intense battles span Europe and North Africa as gamers play as Soviet, Allied or German forces across 19 massive single-player missions.

Frontier Control: Invasion is a Real-Time Strategy defense 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.

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!