Games like Colony Siege
Looking for games like Colony Siege? Here are top survival real-time strategy recommendations with a science fiction focus, selected from player-similarity data — start with DG2: Defense Grid 2, X-Morph: Defense or Infested Planet.
- 81%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:optimization, stability86% User Score 2,148 reviewsCritic Score 76%14 reviews
Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. If you enjoyed this game, see our list of games similar to DG2: Defense Grid 2.
View Game - 90%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:stability, grinding93% User Score 1,918 reviewsCritic Score 80%3 reviews
X-Morph: Defense Complete Edition includes: X-Morph: Defense core game, European Assault DLC, Survival Of The Fittest DLC, Last Bastion DLC If you enjoyed this game, see our list of games similar to X-Morph: Defense.
View Game


- 95%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability95% User Score 3,588 reviews
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy. If you enjoyed this game, see our list of games similar to Infested Planet.
View Game


- 76%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:stability, grinding76% User Score 868 reviews
MarZ Rising is a tactical base defense game, which lets you discover a completely new gameplay experience of the tower defense genre! Build, manage and defend your martian base. Guide your crew safely through the thrilling campaign and solve the mystery of the undead. If you enjoyed this game, see our list of games similar to MarZ: Tactical Base Defense.
View Game


- 64%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:stability, optimization64% User Score 349 reviewsCritic Score 65%4 reviews
Thousands of alien machines are descending on Earth's first interstellar colony in this massive-scale new tower defense game from the publisher of Ashes of the Singularity and Sins of a Solar Empire: Rebellion. If you enjoyed this game, see our list of games similar to Siege of Centauri.
View Game


- 94%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability96% User Score 6,430 reviewsCritic Score 80%1 reviews
A tower defense game where you have to defend Power Cores from being stolen. Tower construction is limited to specified platforms on where you can place 1 out of 10 diffrent upgradeable towers. Towers can not be destroyed by the enemies. Tower placement is key to progress in this game as they each have pros and cons. During the game you battle a variety of 15 diffrent "Insectoid" enemies with vari… If you enjoyed this game, see our list of games similar to Defense Grid: The Awakening.
View Game - 82%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability83% User Score 1,472 reviewsCritic Score 80%3 reviews
Space Run is a PC game that mixes strategy and space ship construction in real time, borrowing certain mechanics from the “tower defense” system with numerous twists and hyper dynamic gameplay. Space Run is a nod to ‘80s science fiction and pays homage to many of its tropes and references. If you enjoyed this game, see our list of games similar to Space Run.
View Game


- 94%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:grinding, stability94% User Score 357 reviews
Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support. Play with friends in co-operative and competitive multiplayer matches or test your mettle against our new Survival mode. Orbital Support - Get up close and personal with the enemy by calling down orbit… If you enjoyed this game, see our list of games similar to Sol Survivor.
View Game


- 91%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:optimization, grinding91% User Score 499 reviews
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed! If you enjoyed this game, see our list of games similar to No Creeps Were Harmed TD.
View Game


- 67%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:optimization, stability69% User Score 3,690 reviewsCritic Score 66%5 reviews
Grey Goo is a real-time strategy (RTS) game that combines classic strategy mechanics and a balanced combat system with an emphasis on large-scale decision-making. If you enjoyed this game, see our list of games similar to Grey Goo.
View Game


- 93%Game Brain ScoreMost mentioned positive aspects:monetization, graphicsMost mentioned negative aspects:grinding93% User Score 2,599 reviews
Build, upgrade and defend in this action-packed offline tower defence If you enjoyed this game, see our list of games similar to 2112TD: Tower Defense Survival.
View Game


- 90%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, optimization90% User Score 7,913 reviews
In Sanctum 2, you will have to utilize elements of multiple gameplay genres to succeed. Build towers and walls during the building phase before the enemies attack, then jump into the fray and help your towers blast everything to pieces in FPS-mode. You can progress through the single player campaign yourself, or play up to 4-player co-op with your friends to discover the secrets of the planet LOEK… If you enjoyed this game, see our list of games similar to Sanctum 2.
View Game


- 87%Game Brain ScoreMost mentioned positive aspects:gameplay, replayabilityMost mentioned negative aspects:story, grinding87% User Score 2,634 reviews
Your empire faces relentless invasions from the savage Artronids, threatening its very existence. As Commander, you are the last line of defense against the deadly enemy onslaught. In this endlessly replayable experience, every battle presents fresh challenges with unpredictable outcomes. Take control of the battlefield by shaping the very ground your enemies march on. Expand and modify terrai… If you enjoyed this game, see our list of games similar to Tower Dominion.
View Game


- 86%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability86% User Score 1,092 reviews
Solareth is a high-intensity top-down arena shooter where quick thinking and sharp reflexes are key. On a vast space battleground, you’ll confront waves of enemies that grow faster, fiercer, and deadlier with every round. With over eight weapon types, every encounter offers new possibilities: precise pistol shots, explosive rocket volleys, focused laser beams, or blazing flamethrowers that turn t… If you enjoyed this game, see our list of games similar to Solareth.
View Game


- 87%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:stability, grinding91% User Score 2,618 reviewsCritic Score 70%1 reviews
An inventive tower defense/ first person shooter hybrid that pits elite soldier Skye against various forms of alien life on a small set of unique maps. Skye must build and upgrade defensive structures while jumping into the fray to help her creations take down the hostile invaders. If you enjoyed this game, see our list of games similar to Sanctum.
View Game


- 64%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, optimization71% User Score 1,268 reviewsCritic Score 57%13 reviews
"From the Star Wars: Empire at War and Command & Conquer veterans at Petroglyph comes the first-ever strategy game set in the barbaric world of Conan the Barbarian. Conan Unconquered is a strategy game set in the barbaric world of Conan the Barbarian where you must build your stronghold and assemble an unconquerable army to survive the savage hordes of Hyboria. Wave after wave of increasingly mor… If you enjoyed this game, see our list of games similar to Conan Unconquered.
View Game


- 76%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, monetization76% User Score 554 reviews
An RTS game on a Sci-Fi setting made by the same crazy guys behind the Kingdom Rush saga.Players will command several squads of units ranging from specialized soldiers, unstoppable mechas and of course, Hero units both human and extraterrestrial. The fight spans across exotic planets against fearsome alien creatures and factions.This game won’t be a part of the Kingdom Rush franchise. It is an ent… If you enjoyed this game, see our list of games similar to Iron Marines.
View Game


- 87%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability87% User Score 1,834 reviews
A fearsome Chieftain is gathering an army, intent on the subjugation of the realm. The Villagers cry out for a hero! Someone to rise up and rescue them from their plight. This burden falls to you. Build a city, train an army, and equip your subjects. Seek out the assistance of helpful allies, such as dwarves, amazons, and sorceresses. With allies to help, and an army of your own, you can defeat th… If you enjoyed this game, see our list of games similar to Warstone TD.
View Game


- 75%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:optimization, stability76% User Score 5,801 reviewsCritic Score 74%5 reviews
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world. If you enjoyed this game, see our list of games similar to Age of Darkness Final Stand.
View Game


- 92%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:optimization, grinding92% User Score 648 reviews
True RTS gameplay reinforced with roguelite build crafting. Control units with bullet-time precision. Call down bases and raise armies. Drafted from a different arsenal every run. Weave builds that break the game. Or the game breaks you. If you enjoyed this game, see our list of games similar to Rogue Command.
View Game


- 77%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, optimization78% User Score 2,144 reviewsCritic Score 73%2 reviews
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 Tauron droids' homeworld against a relentless invasion. Will your Taur stand against the Imperion warmachine? If you enjoyed this game, see our list of games similar to Taur.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:replayability, stability87% User Score 7,028 reviewsCritic Score 72%18 reviews
Starship Troopers: Terran Command is a thrilling real-time strategy game set in the Starship Troopers movies universe. Take command of the Mobile Infantry and do your part in the war against the Arachnid threat. Ensure that human civilization, not insect, dominates the galaxy now and always! If you enjoyed this game, see our list of games similar to Starship Troopers: Terran Command.
View Game


- 81%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, music81% User Score 278 reviews
Zombie Tower Defense: Join the ongoing war, in an open world, against the undead zombie horde. Choose between multiple powerful heroes all with unique epic gear and skills! With the wide variety of towers you can create your own perfect strategy. If you enjoyed this game, see our list of games similar to Last Hope - Tower Defense.
View Game


- 53%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding53% User Score 689 reviews
Customize your unique faction in a new take on real-time strategy as you fight in a variety of skirmish, solo, and multiplayer battles. You are not only a commander, but also an engineer – so you have ultimate control over your faction’s units, factories, superweapons and economy. If you enjoyed this game, see our list of games similar to Forged Battalion.
View Game


- 81%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability85% User Score 2,930 reviewsCritic Score 76%9 reviews
Battlestar Galactica Deadlock takes you into the heart of the First Cylon War, to fight epic 3D battles that will test your tactical prowess. Take control of the Colonial Fleet from the bridge of the mobile shipyard, Daidalos, and free the Twelve Colonies from the Cylon threat. Build your fleets, protect the Quorum alliance and prepare to dig deeper into the conspiracies of this heroic conflict. If you enjoyed this game, see our list of games similar to Battlestar Galactica Deadlock.
View Game


- 87%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, monetization90% User Score 3,426 reviewsCritic Score 75%1 reviews
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! If you enjoyed this game, see our list of games similar to Warpips.
View Game


- 92%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:stability, optimization92% User Score 456 reviews
Axon TD infuses a new layer of strategy into Mazing Tower Defenses. Typically, you build towers on the path to obstruct enemies and make the path longer. But what if you could take control of the map layout itself and expand things directly? In Axon TD, you're given a brush, and the map is your canvas! A Shifting BattlefieldThe name of the game is map manipulation. Place down tiles to make longer … If you enjoyed this game, see our list of games similar to Axon TD: Uprising - Tower Defense.
View Game


- 94%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, monetization97% User Score 15,544 reviewsCritic Score 90%5 reviews
A minimalist game about building and defending a little kingdom. Thronefall is a classic strategy game without unnecessary complexity, just some healthy hack-and-slay. Build up your base during the day, and defend it ‘til your last breath at night. If you enjoyed this game, see our list of games similar to Thronefall.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:grinding, optimization80% User Score 658 reviews
Bastion of ancient civilization, a keeper of galaxy wisdom is invaded by alien armies. Use powerful ancient technologies and defeat the attack of enemy armies! If you enjoyed this game, see our list of games similar to Ancient Planet.
View Game


- 59%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding67% User Score 306 reviewsCritic Score 51%9 reviews
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat. Defend the planet from the human scum in the final battle of the series. Anomaly Defenders is a fast-paced Tower … If you enjoyed this game, see our list of games similar to Anomaly Defenders.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, stability83% User Score 950 reviewsCritic Score 70%2 reviews
Deathtrap, a tower-defense game with strong action-RPG elements, is avaialble on Steam as an Early Access Game with many exciting features you've been longing to see in this genre. Choose from three game modes (PvP, Single Player and Cooperative Campaign), create your own maps and monsters, share them with your friends and get ready for a game of vicious tricks, killing machines, rotating blad… If you enjoyed this game, see our list of games similar to Deathtrap.
View Game


- 74%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:replayability, grinding71% User Score 499 reviewsCritic Score 83%2 reviews
All About Tower Offense vs. Tower Defense If you enjoyed this game, see our list of games similar to Anomaly 2.
View Game


- 71%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, music69% User Score 772 reviewsCritic Score 77%3 reviews
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology. Protect the city by building a network of defensive structures, commanding an army, and jumping into battle against dan… If you enjoyed this game, see our list of games similar to Fortified.
View Game


- 90%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, stability91% User Score 9,743 reviewsCritic Score 88%1 reviews
The Riftbreaker Gold Edition contains the core game and all available addons If you enjoyed this game, see our list of games similar to The Riftbreaker.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding80% User Score 2,296 reviews
8-Bit Armies is a retro Real-Time Strategy game. With a colorful, blocky voxel art style, 8-Bit Armies is Petroglyph's most fast-paced, friendly, and accessible RTS game to date. Featuring a campaign of 25 single-player missions, 10 co-op missions, multiplayer and skirmish modes. If you enjoyed this game, see our list of games similar to 8-Bit Armies.
View Game


- 82%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:stability, grinding86% User Score 6,481 reviewsCritic Score 77%8 reviews
Orcs Must Die 3 ushers orc-slaying mayhem to a previously unimaginable scale. If you enjoyed this game, see our list of games similar to Orcs Must Die! 3.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:grinding, stability81% User Score 877 reviewsCritic Score 78%2 reviews
Tower defense game with a 50-level campaign across 5 worlds. If you enjoyed this game, see our list of games similar to Revenge of the Titans.
View Game


- 79%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding83% User Score 403 reviewsCritic Score 62%1 reviews
Mech Armada provides a fresh combination of turn-based tactics, deckbuilding and rogue-likes. You are in command of a team of custom-built Mechs. Push your strategic skills to the limit as you save what's left of the Earth from the Swarm. You'll need to plan carefully if you want to overpower the invading Swarm in a series of small tactical battles. Upgrade and build your deck of available Mechs,… If you enjoyed this game, see our list of games similar to Mech Armada.
View Game


- 83%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, grinding83% User Score 861 reviews
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core! When the aliens swarm your maze and everything seems lost, use active abilities like Air Strike and Freeze to tilt the battlefield to your advantage. If you enjoyed this game, see our list of games similar to Super Sanctum TD.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, monetization80% User Score 293 reviews
Explosive singleplayer action RTS with a story campaign. Hold the line against massive swarms on a fully simulated battlefield. If you enjoyed this game, see our list of games similar to IDUN.
View Game


- 90%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability90% User Score 2,011 reviews
Experience the intense atmosphere of adventuring deep into the space. If you enjoyed this game, see our list of games similar to Battlevoid: Harbinger.
View Game


- 67%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, music62% User Score 2,754 reviewsCritic Score 72%10 reviews
Set in the near-future, Act of Aggression is an explosive techno-thriller real-time strategy game hailing from the Golden Era of RTS. With three global super-powers, there can be only one victory.Across three distinct factions each armed with the greatest modern and prototype military weaponry, head into some of the world’s most volatile conflict zones, building bases for mass production, establis… If you enjoyed this game, see our list of games similar to Act of Aggression - Reboot Edition.
View Game


- 97%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, optimization97% User Score 3,780 reviews
For billions of years empires rose to greatness. Each fell to the Creeper till none remained. Now all hope appears lost. Who will stand against the Creeper? Experience this extreme and massive expansion of the Creeper World franchise. Nothing will ever be the same... Massive maps, custom units scripting, terraforming, Gravatars? Can you handle the challenge? If you enjoyed this game, see our list of games similar to Creeper World 3: Arc Eternal.
View Game


- 52%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:optimization, stability44% User Score 266 reviewsCritic Score 69%4 reviews
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone,’ Overcome overwhelming odds and fight for your life, your faith and the survival of your ship and its crew. If you enjoyed this game, see our list of games similar to Ancient Space.
View Game


- 68%Game Brain ScoreMost mentioned positive aspects:graphics, storyMost mentioned negative aspects:grinding, monetization66% User Score 482 reviewsCritic Score 70%4 reviews
CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. If you enjoyed this game, see our list of games similar to Hero Defense.
View Game


- 94%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:monetization, stability94% User Score 3,138 reviews
Zero-K (ZK; formerly known as Complete Annihilation and CA) is a free multi-platform open source real-time strategy computer game. Initially based on content from Total Annihilation on the open source Spring Engine, it was forked and all proprietary content replaced, and evolved into a completely new game with unique features. Among the games powered by the Spring game engine, Zero-K is particular… If you enjoyed this game, see our list of games similar to Zero-K.
View Game


- 61%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding61% User Score 200 reviews
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity! If you enjoyed this game, see our list of games similar to Codex of Victory.
View Game


- 68%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, stability68% User Score 1,055 reviews
Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style! If you enjoyed this game, see our list of games similar to Tower Wars.
View Game


- 95%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, grinding95% User Score 853 reviews
Defend your dungeon with powerful traps against the greedy adventurers! If you enjoyed this game, see our list of games similar to Dungeon Warfare.
View Game


- 80%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:stability, grinding78% User Score 12,958 reviewsCritic Score 82%11 reviews
Galactic Civilizations III is the largest strategy sandbox ever made. Start with a single world and expand across the galaxy through diplomacy, trade, cultural hegemony or military conquest in this single-player or multiplayer 4X strategy game. If you enjoyed this game, see our list of games similar to Galactic Civilizations III.
View Game


























































