Games like Ad Astra: Sci-Fi Tower Defense
Looking for games like Ad Astra: Sci-Fi Tower Defense? Here are top tactical management recommendations with a science fiction focus, selected from player-similarity data — start with Freaking Meatbags, Unstoppable Gorg or MarZ: Tactical Base Defense.
- 86%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:replayability, grinding86% User Score 139 reviews
Freaking Meatbags throws you into a futuristic world where robots have jobs, cephalopods aren't confined to a single dimension, and humans pretty much just stand around talking to themselves. As a lowly cleaning robot, your task is to gather precious materials from each world before the solar system goes kaboom. As soon as you land, you realize this gig isn't going to be as simple as you had hoped… If you enjoyed this game, see our list of games similar to Freaking Meatbags.
View Game


- 73%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability73% User Score 266 reviewsCritic Score 75%1 reviews
Revolutionary Tower DefenseDANGER! Earth is under attack from a vast armada of flying saucers. Only you can stop the invasion of these relentless alien monsters - don't let a single one through! Get ready for a revolution in tower defense that will send you spinning. Defend the solar system by sending satellites into orbit around planets, moons and space stations. Create the perfect defense by rot… If you enjoyed this game, see our list of games similar to Unstoppable Gorg.
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


- 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


- 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


- 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


- 78%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, optimization78% User Score 2,144 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


- 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


- 87%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:replayability, optimization87% User Score 816 reviews
Take control of the hive and protect it from enemies. Build factories, wonders of the world and defence. Research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen! If you enjoyed this game, see our list of games similar to Bee Island.
View Game


- 84%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:graphics, grinding84% User Score 1,214 reviewsCritic Score 85%2 reviews
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their attention outward, away from the galaxy, to alien threats or opportuni… If you enjoyed this game, see our list of games similar to AI War: Fleet Command.
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


- 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


- 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


- 93%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:music, replayability93% User Score 183 reviews
Build your base. Construct towers, traps, mechs, and other defenses. Command your units in battle. Can you survive the enemy onslaught? If you enjoyed this game, see our list of games similar to Colony Siege.
View Game


- 64%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, music63% User Score 222 reviewsCritic Score 68%1 reviews
Get ready for a lot of destruction, action and real-time strategy as you control a fully armed Mech through cyberpunk cities, military and industrial areas, capturing and defending territories. Build turrets and structures, collect resources and advance the attack against powerful enemies! If you enjoyed this game, see our list of games similar to Armed to the Gears.
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


- 93%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, stability93% User Score 14,626 reviews
Forts is a physics-based RTS where foes design and build custom bases, arm them to the teeth and blast their opponent's creations to rubble. If you enjoyed this game, see our list of games similar to Forts.
View Game


- 96%Game Brain ScoreMost mentioned positive aspects:graphics, gameplay96% User Score 485 reviews
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity! If you enjoyed this game, see our list of games similar to CARNAGE OFFERING Tower Defense.
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


- 50%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:stability, optimization50% User Score 1,558 reviews
Have you ever wanted to make a fresh start on an alien world? Eden Star is a survival game that drops you onto the alien landscape of Pharus 7, free to explore and gather resources, but you’ll want to be careful: death is permanent. You need to use resources to construct defences, craft weapons and build up outposts to protect your vital Eden Kit. With physics-based combat, free-form construction … If you enjoyed this game, see our list of games similar to EDEN STAR.
View Game


- 68%Game Brain ScoreMost mentioned positive aspects:story, musicMost mentioned negative aspects:grinding, stability65% User Score 1,230 reviewsCritic Score 75%4 reviews
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. In the Dodge Sector it’s hard to get by – and even harder to get even. If you enjoyed this game, see our list of games similar to Rebel Galaxy Outlaw.
View Game


- 95%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability95% User Score 3,795 reviews
The fourth installment of the real-time strategy series again tasks the player with containing the creeper, a destructive fluidlike substance, slowly overtaking the map's surface. Creeper World 4 continues the series' gameplay and favors 3D environments with a focus on fluid dynamics over traditional 2D graphics. If you enjoyed this game, see our list of games similar to Creeper World 4.
View Game


- 65%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:grinding, stability72% User Score 4,430 reviewsCritic Score 56%8 reviews
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray... If you enjoyed this game, see our list of games similar to Starpoint Gemini 2.
View Game


- 54%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:optimization, stability54% User Score 122 reviews
NIGHTSIDE is a sci-fi base building real time strategy game set on the dark side of an unknown planet where the valuable "green ice" resource can be found. Follow Adam, a human explorer, as he discovers the secrets of this dark world through a story-driven single player campaign, battle online against other players or team up against AI opponents or practice solo against a challenging AI. If you enjoyed this game, see our list of games similar to Nightside.
View Game


- 64%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:stability, optimization64% User Score 349 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


- 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 - 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


- 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:grinding, stability90% User Score 1,786 reviewsCritic Score 50%3 reviews
AI War II is a grand strategy/RTS hybrid against an overwhelming, inhuman enemy who has conquered the galaxy. The enemy has made only a single error: underestimating you. You must steal as much technology as you can, and take enough territory to fortify your bases and launch your attacks. If you enjoyed this game, see our list of games similar to AI War 2.
View Game


- 84%Game Brain ScoreMost mentioned positive aspects:music, gameplayMost mentioned negative aspects:stability, grinding84% User Score 577 reviews
Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op. Defend wave after wave of colorful Terrorhedron spheres within attractive abstract grid landscapes. Unlo… If you enjoyed this game, see our list of games similar to Terrorhedron.
View Game


- 74%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:replayability, grinding76% User Score 485 reviewsCritic Score 69%3 reviews
Livelock is a cooperative top-down shooter where you and up to two others must work together to break the cycle of infinite war between machines. As one of "The Few" remaining Capital Intellects, you will need quick reactions and decision-making to overcome the chaos. If you enjoyed this game, see our list of games similar to Livelock.
View Game


- 97%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding97% User Score 122 reviews
IRON GUARD VR (DEMO) is a sci-fi tower defense game made in the spirit of classic RTS games. Lives of the surviving crew members are in your hands . Find out why the terraformer robots have rebelled and help evacuate your crew from an unknown planet, where survival is the new frontier.FEATURES:• A complete 360 degrees immersive gameplay.• Different game modes and styles.• VR and Non-VR game mode.•… If you enjoyed this game, see our list of games similar to IRON GUARD.
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 - 86%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, grinding86% User Score 423 reviews
Built exclusively for VR, Cosmic Trip is an award-winning real-time strategy game for the HTC Vive and Oculus Rift. Experience what it’s like to command an army of badass robots and fight against hostile enemies on beautiful alien planets. If you enjoyed this game, see our list of games similar to Cosmic Trip.
View Game


- 61%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:replayability, stability70% User Score 300 reviewsCritic Score 30%2 reviews
[Media 2206358] >>>GET IT NOW on STEAM!<<< Assume control as the Insectoid Hive mind. Explore a beautiful, vast and ruined underworld riddled with dangers and lost civilization. Can you reach... If you enjoyed this game, see our list of games similar to The Hive.
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


- 92%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, stability92% User Score 142 reviews
While I am a loyal RTS gamer, I feel that the genre’s complexity puts many players off. That's why I've always wanted to create my own grand battlefield in a simplified manner, making it more accessible to potential players and RTS fans. In this stylistic pixel game, players will have access to a variety of buildings that synergize with each other and face an array of twisted insectoids. This game… If you enjoyed this game, see our list of games similar to Frontline Crisis.
View Game


- 95%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, grinding95% User Score 1,107 reviews
Utopia Must Fall is a vector-flavored base-defending arcade shooter with rapid progression, procedurally generated attack waves and enough upgrade variety to suit both the defensive or aggressive player. It incorporates elements from tower defense, roguelites and beyond, all neatly packaged into a laser-sharp bullet-purgatory arcade frenzy! Easy To Learn : firing happens automatically, just st… If you enjoyed this game, see our list of games similar to Utopia Must Fall.
View Game


- 62%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:grinding, stability74% User Score 1,792 reviewsCritic Score 41%5 reviews
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe, while an intergalactic war is raging. If you enjoyed this game, see our list of games similar to Shortest Trip to Earth.
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


- 83%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability83% User Score 1,748 reviewsCritic Score 83%5 reviews
Anomaly Warzone Earth is an extraordinary mixture of action and strategy in a reversed tower defense formula. The game tasks you with saving a near-future Earth from an alien onslaught. The invaders have captured several of the world’s major cities, building huge turrets that destroy everything in their path. It’s up to you to lead an armor squad through the streets of cities like Baghdad and Toky… If you enjoyed this game, see our list of games similar to Anomaly: Warzone Earth.
View Game


- 69%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, stability67% User Score 636 reviewsCritic Score 77%2 reviews
Only a few thousand humans managed to escape from the Earth before its collapse in 2150 A.D. They spent the next few years on the terra forming of the red planet, developing new technologies and building up new civilisations. Somehow each of the three fractions "Eurasian Dynasty", "United Civilised States" and "Lunar Corporation" did this independently and separately from each other - but in the y… If you enjoyed this game, see our list of games similar to Earth 2160.
View Game


- 58%Game Brain ScoreMost mentioned positive aspects:graphics, humorMost mentioned negative aspects:music, gameplay58% User Score 96 reviews
Towers of Altrac is a 3D Tower Defense cooperation game for up to 4 players with an innovative A.I. system "S.A.D.", which makes your enemies intelligent. Fight against the horde of Goblins, Orcs, Dragons and other monsters on 62 unique maps. The game is for every level of player experience. If you enjoyed this game, see our list of games similar to Towers of Altrac.
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


- 75%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:stability, monetization75% User Score 408 reviews
You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses. If you enjoyed this game, see our list of games similar to Artificial Extinction.
View Game


- 84%Game Brain ScoreMost mentioned positive aspects:story, graphicsMost mentioned negative aspects:stability, grinding87% User Score 5,068 reviewsCritic Score 70%1 reviews
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat. A detailed strategic layer allows you to co-ordinate the defence of the planet, using your interceptors to shoot down UFOs a… If you enjoyed this game, see our list of games similar to Xenonauts.
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


- 69%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:optimization, stability69% User Score 3,690 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

























































