Games like Galactic Frontiers - Defense Protocol

51%Game Brain Score

Most mentioned positive aspects:gameplay

Most mentioned negative aspects:graphics

83% User Score Based on 12 reviews

"Red Planet Rampart" is a game not to be missed. Dive into this harsh yet fascinating red world now, and commence your journey to dominate Mars. Every choice, every battle, it's more than survival—it's about creating a legacy on the Red Planet. Are you ready to face the Martian frontier? Game Background Brief: Get ready for an epic Mars survival challenge! In "Red Planet Rampart, " an immersive sc… If you enjoyed this game, see our list of games similar to Red Planet Rampart.

THIS GAME OFFERS THREE IMMERSIVE MODES: SPACHESHIPS BATTLES, TOWER DEFENSE, & FIRST-PERSON SHOOTER - 39 Levels of Spaceships battles - 10 Levels of Tower Defense - 7 Levels of Battles against AI Bosses - 3 Levels of Endless Space Battles Prepare for high-stakes Spaceship Battles where strategy meets adrenaline-pumping action. Throughout the campaign, unlock a diverse array of spac… If you enjoyed this game, see our list of games similar to AI.Cybercraft.

In the distant future, humanity scours alien worlds for valuable resources to fuel the ceaseless tide of human expansion. On their quest, they encounter a machine-race powered by a sentient artificial intelligence that spans the galaxy & competes with humanity for control across the stars. Commander, you are tasked with meeting this challenge & securing dominance for our people. Your missi… If you enjoyed this game, see our list of games similar to Ad Astra: Sci-Fi Tower Defense.

Solo indie game. Developed in 64 hours (8x8) from scratch with the Defold game engine.Get ready for strategic battles with tower defense in the ultimate galactic space strategy game. Fight off relentless alien invaders using war tactics and powerful military citadel. Experience real-time strategy, upgrades, resource management, and conquer cosmic battles to safeguard the galaxy. Lone Space Tower D… If you enjoyed this game, see our list of games similar to Lone Space Tower Defense.

Defend your starship in this endless sci-fi tower defense game! Form your ultimate squad of 2D heroes, permanently upgrade your spaceship's hull and defenses, and unleash powerful ultimate abilities to survive relentless waves of cosmic alien invaders in the vast void. If you enjoyed this game, see our list of games similar to We Grow Together.

A strategic space tower-defense game. Enemies detect, warn, and try to bypass defenses, forcing you to adapt. Combine diverse towers and face unique maps for varied battles. With tense sci-fi atmosphere, it delivers a fresh experience beyond traditional tower defense. If you enjoyed this game, see our list of games similar to Space Tower Defense.

51%Game Brain Score

Most mentioned positive aspects:gameplay

Most mentioned negative aspects:story

100% User Score Based on 2 reviews

Athralis Tower Defense is an exhilarating sci-fi tower defense game and the first installment in the Athralis franchise. In this game, you step into the role of the Strategic Orbital Defense System (S.O.D.S.) Commander for the Nexus Federation, humanity's last line of defense against a relentless alien threat known as The Athral Vanguard. The Athral Vanguard is an insidious alien legion determine… If you enjoyed this game, see our list of games similar to Athralis Tower Defense.

Embark on an intergalactic adventure with Unearthing Invasions, a thrilling 3D Tower Defense odyssey set amidst the vast expanse of space. In this cosmic battleground, resources are precious commodities, and you're at the helm of multiple outposts strategically scattered across asteroid fields and key areas. ENERGY is the lifeblood of your operation, powering your bases and defenses. But beware, … If you enjoyed this game, see our list of games similar to Unearthing Invasions.

Construct an epic base and battle for peace in Crystal Commanders, a brand new RTS game in both mixed and virtual reality! Mixed reality RTS action: Take charge of your forces, expand your defenses, and engage enemies in rapid skirmishes using unique, expressive controls. Deploy a diverse array of vehicles, towers, and contraptions to thwart a planetary threat, all from the universe of your livin… If you enjoyed this game, see our list of games similar to Crystal Commanders.

In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults. ● Diverse Tactical Combinations: Use machine guns, heavy cannons, shields, mines, and more to create strategi… If you enjoyed this game, see our list of games similar to Vermin Control.

Play randomly generated map 0 through 999,999,999 or try to beat 3 stars out of 20 maps on the campaign of this tower defense game! Controls are pretty simple, you click a highlighted slot where you want to put a tower in, select a tower by moving your mouse or press a number according to each tower´s, or right click to cancel. Select a built tower to upgrade it or sell it for half price. Right cl… If you enjoyed this game, see our list of games similar to Nine Nines.

61%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:graphics

100% User Score Based on 12 reviews

Embark on a strategic adventure in the mystical medieval world of Beyond The Walls, a 3D tower defense game that challenges you to master elemental warfare and town management. Unique Elemental Defense System At the core of Beyond The Walls, lies a distinctive elemental tower system featuring six core elements. Start with a single element and strategically integrate others as you upgrade your tow… If you enjoyed this game, see our list of games similar to Beyond The Walls.

Artificial intelligence has plotted a path to a sustainable future, but humans aren't included. Defend humanity against the A.I. in this instant action tower defense, real-time strategy hybrid. Deterrence is a tower defense, real-time strategy hybrid that offers a midcore single-player experience. Play as the human race in the not-too-distant future and fight malfunctioning artificial intelligenc… If you enjoyed this game, see our list of games similar to Deterrence.

Cyber Tower offers an intense and polished tower defense experience, placing a strong emphasis on strategic path building. Inspired by classic tower defense games, Cyber Tower combines stylized minimalist graphics with a cyberpunk theme and visually striking designs. Your success hinges on the thoughtful placement of sci-fi towers, directly influencing the routes taken by enemy forces. Tailor yo… If you enjoyed this game, see our list of games similar to Cyber Tower.

65%Game Brain Score

Most mentioned positive aspects:atmosphere, emotional

Most mentioned negative aspects:story, gameplay

88% User Score Based on 25 reviews

Space Tales is a sci-fi RTS where you build fortified bases, manage resources, and command retro-futuristic armies. Adapt to deadly alien factions, capture huge monsters and turn them into powerful allies as humanity fights to survive among the stars. If you enjoyed this game, see our list of games similar to Space Tales.

68%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:gameplay, grinding

81% User Score Based on 36 reviews

Step into the arena with IDUN: Prologue, a thrilling slice of our full-length defense RTS where real-time strategy meets rogue-lite chaos. Fight your way through unique mission objectives with overwhelming swarms of enemies. If you enjoyed this game, see our list of games similar to IDUN Prologue - Frontline Survival.

A light Rogue strategy game centered on building and defense. Build your territory, recruit soldiers to fend off enemies. 9 maps, 6 weapons (30 talents), 40 monsters, 30 units/buildings. Plan your pace, control soldiers, choose abilities—enjoy command and strategy. If you enjoyed this game, see our list of games similar to Sunbreak War.

Solar Defense is a Military Sci-Fi inspired Tower Defense game focused heavily on strategy and decision making. Defend key locations and repel the Pilakarr forces back to their home world to end their attack and bring an end to this war. If you enjoyed this game, see our list of games similar to Solar Defense.

A sci-fi space station defense auto-shooter where you repel enemy fleets with missiles, mass drivers, phase weapons, and railguns. Upgrade your arsenal, adapt your build, and hold the line against overwhelming odds. If you enjoyed this game, see our list of games similar to STELLAR BASTION.

Shatterswarm is a narrative-driven 2D space shooter that combines direct ship combat, fleet command, tower defense, and base building into a strategic colony survival experience. Command Captain Hope's hero ship as you defend Earth's last bastion, The Citadel, against the relentless Voxan Empire. Take control of your hero ship in intense 2D space combat while simultaneously building and managing … If you enjoyed this game, see our list of games similar to Shatterswarm.

Beyond Astra is a real-time 4X sci-fi grand strategy game. Expand your own civilization, explore captivating and mysterious planets and star clusters, interact with your citizens and other life forms and shape your destiny through nearly infinite possibilities. If you enjoyed this game, see our list of games similar to Beyond Astra.

Bulwark is a medieval-themed 2D pixel tower defense game with a dynamic block-based building system. Construct and fortify your castle, manage resources, and recruit troops to defend against waves of enemies. Build, strategize, and adapt in this unique blend of fortress construction and combat. If you enjoyed this game, see our list of games similar to Bulwark.

Project Fleet is a 2D Sci-Fi real-time strategy, puzzler, fleet managment, autobattler in a roguelite style. Trade with NPCs, expand your base and hangar. Launch expeditions to the 12 available planets or compete with other players worldwide in Highscore-Mode If you enjoyed this game, see our list of games similar to Project Fleet.

Galactic Garrison is a turn-based, tower defense game that combines strategy, action, and tactical decision-making. Set on the unforgiving Mars, your mission is to defend humanity's last outpost from relentless waves of alien invaders. Deploy soldiers and turrets, build barricades to hold the line and protect your base from destruction. As commander of the Galactic Garrison, you will face incr… If you enjoyed this game, see our list of games similar to Galactic Garrison.

Embark on an adrenaline-fueled rampage through waves of relentless enemies. Plunge headfirst into a dystopian world overrun by ruthless enemies hell-bent on your destruction. As the last hope for humanity, it's up to you to unleash unparalleled fury upon the hordes that stand in your way. Armed to the teeth with an arsenal of high-tech weaponry, you'll dive into the fray with guns blazing and bla… If you enjoyed this game, see our list of games similar to Black Sails.

62%Game Brain Score

Most mentioned positive aspects:gameplay

90% User Score Based on 20 reviews

Cosmic Resistance is an engaging 2D pixel art casual game with strategy elements that puts you in the role of a skilled fleet commander. Tasked with leading the charge against an alien invasion, your objective is to liberate humanity from their tyrannical rule. Planets hold the key to victory! Conquer these celestial bodies and harness their abundant resources to fuel your epic fight against the … If you enjoyed this game, see our list of games similar to Cosmic Resistance.

In Castle Defense Battles, you are the last line of defense for your kingdom's castle. As waves of evil troops advance, it's up to you to deploy strategic defenses, summon loyal troops, and unleash powerful magic to protect your stronghold. Strategically position defensive towers and structures along the castle walls to repel the enemy forces. Each tower has unique abilities and attacks, allowing… If you enjoyed this game, see our list of games similar to Castle Defense Battles.

1.DescriptionCommand massive planetary fleets in Star Command! An immersive real-time strategy epic. Utilize advanced physics engines to outsmart commanders worldwide in deep-space battlefronts. Conquer systems, upgrade fortresses, and turn the tide with "Shield Bursts." Featuring 1v1 Duels, 2v2Team Battle and 6-player Global Chaos. 2. About This Game[Restoring Order to the Galaxy] … If you enjoyed this game, see our list of games similar to Cosmic Order Fleet.

Spend Magic Stones to summon elf girls with unique abilities and fight back the invading goblin army. Defeat goblins to earn more Magic Stones, upgrade your defense towers, and strengthen your power. Lead your girls to cast powerful magic, defeat the Goblin King, and save the fantasy world! If you enjoyed this game, see our list of games similar to Girls vs Goblins.

ZeroSpace is a sci-fi real-time strategy game with an RPG campaign. Play the story as Commander Aster, securing humanity’s place in the galaxy, or team up with a friend in the co-op Galactic War and take on an endless variety of missions against the AI. If you enjoyed this game, see our list of games similar to ZeroSpace.

66%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:monetization, stability

86% User Score Based on 28 reviews

This is a DEMO version of Stellarcraft. The full Early Access version is available on a separate Steam page. Stellarcraft is a sci-fi tower defense game in which you explore different planets, collect resources and complete missions. Build and upgrade defenses to fend off enemy waves and develop your character. Strategic planning and technological upgrades are the key to success. Explore… If you enjoyed this game, see our list of games similar to Stellarcraft The Prologue.

45%Game Brain Score

Most mentioned positive aspects:replayability

Most mentioned negative aspects:gameplay, graphics

69% User Score Based on 16 reviews

2089: Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, raise troops and destroy your opponents with tactical finesse. If you enjoyed this game, see our list of games similar to 2089: Space Divided.

Galaxy Defender: Tower Defense TD Step into the vast universe of Galaxy Defender, a thrilling tower defense experience where you stand as the last line of defense against relentless alien forces. Command advanced turrets, deploy powerful technology, and protect your galaxy from endless waves of invaders. [Epic Battles Across the Galaxy] Travel across mysterious planets and breathtaking cosmic l… If you enjoyed this game, see our list of games similar to Galaxy Defender: Tower Defense.

【Game System】 This game is a fresh take on defense action that blends “dynamic tower defense”—where you guide an automatically moving target to the goal—with “action strategy,” which tests your own skills, and “roguelite” elements that change every time you play. It features intuitive, fully mouse-based controls. 【Story】 The march toward “Initialization” cannot be stopped by anyone. Defeat i… If you enjoyed this game, see our list of games similar to Unity Sanctuary: Rampage of the Void.

《Immortal Sect Defend》In the vast and perilous world of cultivation, countless sects stand tall, yet the path to immortality is fraught with danger.As a core disciple of your sect, you bear the solemn duty of guarding the Sect Eye — the very foundation of your sect’s fate and spiritual veins. Should the Sect Eye fall to the demonic hordes, thousands of years of legacy will crumble to dust, and the… If you enjoyed this game, see our list of games similar to Immortal Sect Defend.

⚠ CONTAINMENT FAILURE IMMINENT A Tactical Sci-Fi Horde Survival Roguelike where every strategic choice matters. Suppress a rapidly evolving biological outbreak consuming a fallen military research complex. Fight alongside HELIOS, a damaged tactical AI whose forecasts grow less reliable with every passing Dawn. Deploy orbital defenses, fuse experimental technologies, engineer devastating weapon b… If you enjoyed this game, see our list of games similar to Deep Breach.

Tower defense meets city building in a grimdark sci-fi world. Build vertically, manage resources, defend against alien hordes, and command machine priests in humanity's last stronghold. If you enjoyed this game, see our list of games similar to Irongrim Tower.

Face relentless swarms of AI-controlled invaders in this sci-fi survival roguelite. As a soldier of R.A.I.D. (Regional Anti-Incursion Defense), wield and upgrade devastating abilities to annihilate your foes. Do you have what it takes? If you enjoyed this game, see our list of games similar to Incursion.

The War for Tomorrow Begins in Your Hangar. Earth has fallen silent. The once-great colonies are now tombs of steel, overrun by a merciless steel legion. As a veteran combat specialist, you are thrust into the heart of the conflict—the last spark of resistance against the cold, calculating darkness. An Arsenal of Retribution. Unleash a devastating array of sci-fi weaponry. Incinerate waves … If you enjoyed this game, see our list of games similar to Steel Hail.

Prepare for BattleRecruit your troops and strategically position them on the battlefield. Place them wisely to defend against relentless waves of enemies. Will you create a solid front line, or will you hold back and counterattack at the right moment? The choice is yours. Arm Yourself for WarPurchase powerful weapons and armor to enhance your character's health and stamina. Equip yourself with sw… If you enjoyed this game, see our list of games similar to Keep of the knights.

Defend your islands with real-time strategy and tactics! Lead as a Lord, build armies from diverse races, and defeat invading enemies. In a minimalist world, utilize each island’s unique design to rewrite the fate of your people and the destiny of your lands. If you enjoyed this game, see our list of games similar to Lord Of Island.

Roadmap About the GameEarly Access Nexus Wars: A Sci-Fi Odyssey in the Making STAGE 1: Dive into a Relentless Text-Based AdventureStep into Nexus Wars, a gripping survival saga set 4,970 years in a parallel future, syncing with real-world time. You’re a Frame—a synthetic, clone, or bio-engineered shell—your consciousness ensnared in a 24-hour mind-swap loop by an unknown force via the HyperNe… If you enjoyed this game, see our list of games similar to Nexus Wars.

Infernal Siege is a gripping horde defense game set in a dark and mystical world where the lines between good and evil are blurred. You take on the role of a devoted protector, charged with defending an ancient, sacred church from the relentless onslaught of demonic forces. The enemy's ultimate objective is far more sinister than it seems — they seek to claim the body of a condemned "witch," a wom… If you enjoyed this game, see our list of games similar to Infernal Siege: The Last Sanctuary.

In Void Guard Outpost you build powerful towers to defend your gate against endless hordes of enemies! This action-packed tower defence game offers tactical depth, epic maps and challenging battles. So, are you ready to stop the invasion? If you enjoyed this game, see our list of games similar to Void Guard Outpost.

"Siege of Shadows" is an intense tower defense survival game where strategy, skill, and quick thinking are your keys to victory. In a world overrun by relentless waves of enemies, your mission is to build, upgrade, and defend your base at all costs. As hordes of increasingly powerful enemies approach, you’ll need to strategically place and enhance a variety of defensive towers, each wit… If you enjoyed this game, see our list of games similar to Siege of Shadows.

72%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:atmosphere

93% User Score Based on 28 reviews

Get the Full Game About the GameDive into the captivating world of Tactical Warfare, a mini-game packed with intense action and strategic depth. In this thrilling experience, you'll face off against relentless waves of enemies, tasked with defending your base at all costs. Key Features: Engaging Gameplay: Test your strategic skills as you fortify your base and fend off enemy assaults. Dynamic … If you enjoyed this game, see our list of games similar to Tactical Warfare: Siege Survival.

Prepare to be enraptured by the epic tale of Invasion: Phoenix, a meticulously crafted 2D top-down pixel art RTS. Immerse yourself in a universe where Earth's fate hangs in the balance, as the Zyrex Empire launches a relentless assault on humanity's doorstep. With custom matches available now, and a roadmap promising expansive campaigns and thrilling updates, Invasion: Phoenix vows to revitalize t… If you enjoyed this game, see our list of games similar to Invasion: Phoenix.

In 2137, a crisis erupts at a European Space Authority Mars base near Korolev Crater: ancient creatures awaken from the ice. Your mission: defend the base, unravel Martian secrets, and prepare for an epic battle! DEFEND YOUR BASEExperience thrilling tower defence gameplay on Mars. Strategically place and upgrade towers to protect your base from relentless Martian creatures.STUNNING VOXEL ARTImmers… If you enjoyed this game, see our list of games similar to The Echoes of Mars.

Background: In the distant future, human technology has made tremendous progress and exploration of the universe is becoming increasingly profound. However, at this critical moment, the Earth is facing an unprecedented crisis. A group of aliens from distant galaxies, whose goal is to collect resources from within the Sun, will bring incalculable disasters to Earth. Faced with this crisis, governme… If you enjoyed this game, see our list of games similar to 银河战争一(Galactic Wars One）.

DiscordSteamSTORY When the human revolutionaries failed in the fifth struggle against the Empire, they chose to find new lands and start over. On the way to find a new home, they encountered obstacles from the Empire, and also met Zerg warlords in the borderlands. Will the revolutionaries be able to reach their new homeland? GAME CONTENT There are currently about 3 hours of story mode game content… If you enjoyed this game, see our list of games similar to Battle Echoes.