Games like Crystal Nexus: Alien Siege

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! If you enjoyed this game, see our list of games similar to Wave Defense: Trappist.

Take control of the G.O.D. system, the U.P.A.’s tactical satellite. Orbiting in silence above Vel’Aris, your mission is to protect the planet from every threat. Manage orbital fire. But remember: G.O.D. sees everything... even what you wish remained buried. If you enjoyed this game, see our list of games similar to G.O.D. Global Orbital 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.

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.

69%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, optimization

69% User Score Based on 97 reviews

Congratulations, Operator #8 You have been randomly selected for the ITER Corporation’s exciting vertical ventures department. Drill the pillars that encircle our homeworld, extract essential resources, and try not to get obliterated in the process. If you fail, don’t worry, your replacement will be along shortly - probably with a better attitude. > Mining 101 Crack open the Pillars like a big hap… If you enjoyed this game, see our list of games similar to ITER-8.

COMMAND THE ULTIMATE DEEP SPACE FORTRESS! Embark on a perilous journey into the dark abyss of outer space. In this endless sci-fi tower defense game, you are the Commander of a high-tech starship cruising through hostile galaxies. Cosmic monstrosities and alien hordes are closing in from the void, drawn to your ship's energy core. You and your elite crew are the final line of defense between surv… If you enjoyed this game, see our list of games similar to We Grow Together.

THE STORY A village burned. A boy taken. Something dark awakened in him — and he survived. Years later, he leads an army of monsters against the kingdom. But the king he hunts is not the man who gave that order. The new king is just, loved by his people, and will not surrender. Neither side is evil. Both sides will fight to the last.TWO CAMPAIGNS. TWO PERSPECTIVES. Defender — Command the kingdom… If you enjoyed this game, see our list of games similar to Revenge & Defend.

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.

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. If you enjoyed this game, see our list of games similar to Rebellion Corporation.

TACTICAL CARD BATTLES ACROSS THE ASTRALIS SYSTEMLoopweavers: Dimensional Alliances is a deep sci-fi tactical card game where positioning, resources, and planetary environments shape the battle. DEEP STRATEGIC CARD GAMELoopweavers: Dimensional Alliances is a deep strategic card game where players build custom decks and deploy creatures and constructs across a tactical grid-based battlefield. F… If you enjoyed this game, see our list of games similar to Loopweavers: Dimensional Alliances.

72%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:graphics, grinding

96% User Score Based on 26 reviews

Join the fight for humanity’s survival in IRON GUARD: Salvation - a thrilling Tower Defense with strategy elements. Build defenses, upgrade turrets, and repel relentless robot waves with your handheld drone. Only your tactical brilliance can save humanity across battles on various planets including the hostile world of Acris. HEROES Command heroes – control Graves, Irina, and Mitchell, e… If you enjoyed this game, see our list of games similar to IRON GUARD: Salvation.

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.

62%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

100% User Score Based on 13 reviews

You are the only male survivor in this universe. A fast-paced RTS featuring galactic conquest. If you enjoyed this game, see our list of games similar to Millennium Conflict.

A Neon-Soaked Fusion of Action and Strategy Welcome to Command-Ω 2, the ultimate synthwave tower defense shooter. Plunge into a retro-futuristic battlefield where quick reflexes and sharp tactical decisions are your only lifelines. Take direct control of your base's firepower while deploying and awakening automated towers to hold back the relentless cyber-horde. Adapt and Overcome with Roguelite … If you enjoyed this game, see our list of games similar to Command-Ω Omega 2.

A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion. If you enjoyed this game, see our list of games similar to Earth's Last Stand.

Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities. If you enjoyed this game, see our list of games similar to New Stars.

ZeroSpace is a cinematic RTS with an epic sci-fi story where your decisions determine the fate of the galaxy. No two matches play the same thanks to nearly limitless combinations of factions, mercenary units and heroes, introducing unparalleled strategic depth and player expression to the genre. If you enjoyed this game, see our list of games similar to ZeroSpace.

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.

The year is 2670, humanity has begun its outward colonial expansion into the stars, the HEC (Human-Earth Coalition) began setting up colonies on the Moon, Venus and Mars. upon expanding out into the Exo-Planets they began scouting Jupiter's moon of IO, where they discovered strange readings. This would lead them to discovering another space faring race known as the Pilakarr, a humanoid species tha… If you enjoyed this game, see our list of games similar to Solar Defense.

Cleanse worlds. Survive the swarm. Upgrade your mech.Mecha Survivors is a Survivors-like action roguelite where you take control of an advanced combat mech sent to purge hostile planets overrun by alien machines. Dropped into endless warzones, you must face overwhelming waves of enemies, collect powerful upgrades, and adapt your build in real time. Choose from multiple mech classes, each with uni… If you enjoyed this game, see our list of games similar to Mecha Survivors.

80%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, monetization

80% User Score Based on 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.

69%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization

92% User Score Based on 26 reviews

"Our ambition was…quantum. We truly believed we were prepared to explore the deep universe. The hubris."

Welcome to Castaway Station, an exciting survival game that takes you on an unintended journey on a hostile planet after a catastrophic accident on your space cruiser. Stranded on an unknown planet with limited resources, you must use all your wits and skills, along with any tools you scavenge… If you enjoyed this game, see our list of games similar to Castaway Station.

41%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:gameplay, graphics

70% User Score Based on 10 reviews

Starlight: Defence Command is a Tower Defence game designed for the PC that is tough and more in-depth than those gone before. With the ability to configure towers in billions of possible combinations, unlockable perks and fine tuning through target priorities, players are given powerful tools to complete the galaxy-spanning, story-driven campaign. If you enjoyed this game, see our list of games similar to Starlight: Defence Command.

78%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

78% User Score Based on 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.

97%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding

97% User Score Based on 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.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

86% User Score Based on 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.

Tower defense vs AI robots. Build, nuke and command a sky carrier. Offline. If you enjoyed this game, see our list of games similar to GRID DEFENSE: GRID WAR.

Fly through surreal solar-system battlefields, hunt archons, and survive fast, aggressive space combat built around constant movement, weapon choices, and pressure. Beneath each fight sits a second conflict: captured planetary cells can be claimed, marked with cat cards, and written into living planetary books as part of an asynchronous online war. Beneath the arcade action sits an asynchronous co… If you enjoyed this game, see our list of games similar to Codex Solis: Purrgatorium.

   - Procedurally generated galaxy    - ⭐ 400+ star systems across 5 hostile zones    - 150+ enemy types across ground and space    - 15 tower classes with unique abilities    - 14 planetary biomes with environmental hazards    - 3 trading game modes: Auction, Bomb Draw, and Stock Exchange    - Conquer, govern, and tax your vassal stars — their happiness shapes the fate of yo… If you enjoyed this game, see our list of games similar to Omnicore: Freiza's Retribution.

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.

Build. Defend. Extract. Survive. Duality Drift is a unique blend of cockpit-based combat, tower defense, strategic base building and high-stakes extraction, designed from the ground up for immersive virtual reality gameplay. Step into the cockpit and deploy to alien landscapes where crystalline resources fuel your survival. Construct your base, deploy automated defenses, and harvest as many crys… If you enjoyed this game, see our list of games similar to Duality Drift.

Red Impact is a planetary defence game with massive battles and a hint of resource management. As humanity expands out amongst the stars, a mysterious force threatens destruction. There is no fleet, only you, to save these worlds from certain doom. Do you have what it takes to face the threat? Is there something far more evil out there waiting beyond the stars? Defend your planets Strategise … If you enjoyed this game, see our list of games similar to Red Impact - Epic Planetary Defence.

In Mecharise, players take control of a mecha on an intergalactic colonization mission. Sent to planets inhabited by hostile aliens, players must build and strengthen their bases while balancing economy, defense power, and attack power. The game combines elements of strategy, allowing players the freedom to build and expand their bases according to their preferences. Each structure built dir… If you enjoyed this game, see our list of games similar to Mecharise.

Sentry System combines modern roguelike systems with classic tower defense gameplay. Collect and modify sentries, make use of interactive environments, and face off against varied enemies and boss encounters.Modify Your Sentries Choose from a wide selection of sentries. Change damage types, add new status effects, and improve stats. Create powerful builds and combos with smart use of status intera… If you enjoyed this game, see our list of games similar to Sentry System.

53%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

100% User Score Based on 4 reviews

ReEarth is an exciting real-time strategy (RTS) indie game. Here, you will play as humanity's last hope. By continuously upgrading and building your base, dispatching various types of tanks and units, you will fend off the oncoming swarms and reclaim Earth amidst the endless tides of monsters. Prepare for the challenge, return to Earth, and save the future of humanity! Gameplay Rising from ruins, … If you enjoyed this game, see our list of games similar to ReEarth.

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.

Inbound UFO is an indie tower defense game created by a team of two developers over the course of 3 years. The game has a style inspired by the RTS games from the beginning of 2000's. It is a game that combines the fast combat tactical decisions with the long term upgrade strategy and gives the player an unique gaming experience every time he or she hits the start wave button. The Story A full s… If you enjoyed this game, see our list of games similar to Inbound UFO.

JOIN OUR DISCORD CHANNEL! About the GameWonder Defense: Chapter Earth, offers new ways to interact with your world, expand your military power across the Earth. Fight against unknown alien power to search new living areas in Mars, if you survive. Features: ● Try to survive against Aliens of unknown origin. ● Upgrade 57 Perks to survive. ● Harvest rare minerals and help your engineers to repair … If you enjoyed this game, see our list of games similar to Wonder Defense: Chapter Earth.

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. If you enjoyed this game, see our list of games similar to Swarming Planet.

Zero-Point is a 3D space roguelike featuring tactical ship-to-ship combat, crew command and an immersive view of your ship's interior. As Captain of a Star Federation cruiser, lead your crew and ship to victory over the rebellious Galactic Liberation Front! If you enjoyed this game, see our list of games similar to Zero-Point.

63%Game Brain Score

Most mentioned positive aspects:graphics, humor

Most mentioned negative aspects:story, gameplay

94% User Score Based on 18 reviews

Will you be able to break through the dome, find the ark and save the survivors? If you enjoyed this game, see our list of games similar to Wasteland with Robots.

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.

41%Game Brain Score

Most mentioned positive aspects:humor, graphics

Most mentioned negative aspects:gameplay, story

70% User Score Based on 10 reviews

Space Bross is a thrilling blend of action 2.5D roguelite, and Tower Defense genres. You’re a retired astronaut. You had one job: chill. But then they came for your chicken. Now it’s personal. Set off on a chaotic journey across deep space in Space Bross, a roguelite tower defense action game where survival means lasers, loot, and a whole lot of clucking vengeance. Explore dangerous, ev… If you enjoyed this game, see our list of games similar to Space Bross.

39%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:gameplay, graphics

59% User Score Based on 17 reviews

As the legendary Robin Hood, fight the Sheriff's forces in the open field by defending the Merry Men's allies from invasions in this tower defense game. Produce resources, build up your fortifications, place units, and then join in the battle yourself! If you enjoyed this game, see our list of games similar to Robin Hood: Sherwood Defenders.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:music, grinding

89% User Score Based on 200 reviews

Mineral Defense is a unique blend of tower defense and roguelite gameplay, where the strategic possibilities are endless! Shape the battlefield by unlocking tiles and crafting the ultimate path. Plan intersections and bottlenecks to funnel enemies in the most efficient way. Fight Unique Enemies!Use combinations of towers and abilities to defeat enemies! There are many damaging and support to… If you enjoyed this game, see our list of games similar to Mineral Defense.

Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station. If you enjoyed this game, see our list of games similar to Space Alliance: Frontier.

Dig minerals, manufacture ammunition, and build defense towers to fend off swarms of insects. A tower defense game with light production line elements. If you enjoyed this game, see our list of games similar to Stellar Infestation.

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself. If you enjoyed this game, see our list of games similar to Escape Gaia.

Game Title: Dawn Guardians Genre: Survival Action · Survivor-Inspired · Tower Defense · Sci-Fi Roguelite About This GameDawn Guardians is a sci-fi survival experience that merges the thrilling chaos of survivor-inspired combat with the strategic depth of tower defense. Play as Erin, humanity’s last hope and a brilliant engineer, tasked with defending the starship Dawn Ark—a vessel carrying the r… If you enjoyed this game, see our list of games similar to 曙光守卫者.

This is a game in Development, and we are looking for as much feedback as we can!  The webpage will improve in the future, but right now, you should download the game can give us your feedback.  Give feedback on Discord  Give feedback on Itch community  The Game Build a colony, build a rocket, survive the nights and then, leave the planet.  This is a strategy game where you help the bun… If you enjoyed this game, see our list of games similar to Bunny Bunker.