Games Like Radiant Defense

Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.

Why similar: Tower Defense 76.2%, Strategy 12.4%, Sci-fi 4.5%, Aliens 4%, Indie 3%

Why You'll Like It: A foundational sci-fi tower defense game that shares the strategic depth and maze-building focus found in Radiant Defense.

The ultimate mash-up of Real-time Strategy and Tower Defense!

Why similar: Tower Defense 59.3%, Strategy 13.5%, Difficult 7.2%, Indie 4.4%, Aliens 4%

Why You'll Like It: Features a similar sci-fi aesthetic and challenging, wave-based combat that requires careful resource management.

Become a dungeon lord to defend your dungeons with the deadliest of traps and insidious contraptions against greedy adventurers and wannabe heroes.

Why similar: Tower Defense 56.1%, Strategy 27.7%, Indie 9.4%, 2D 3.6%, Pixel Graphics 3.3%

Why You'll Like It: Provides excellent trap-based gameplay and path-manipulation mechanics that reward creative defensive strategies.

The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge.

Why similar: Tower Defense 42.4%, Difficult 22.3%, Strategy 12.1%, Hand-drawn 10.5%, 2D 6.2%

Why You'll Like It: Offers deep, complex maze-building mechanics that will appeal to players who enjoy the tactical layout challenges of Radiant Defense.

Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack!

Why similar: Tower Defense 52.5%, Strategy 27.4%, Action 10.2%, Indie 9.9%

Why You'll Like It: Shares the indie, action-oriented tower defense roots and sci-fi theme of Radiant Defense.

Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor.

Why similar: Tower Defense 40.7%, Real Time Tactics 25.9%, Strategy 11.9%, Colorful 10.2%, 2D 6.1%

Why You'll Like It: A minimalist, sci-fi-themed tower defense game that focuses on deep progression and strategic tower placement.

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!

Why similar: Tower Defense 46.5%, Difficult 14.3%, Strategy 9.2%, Aliens 8.6%, 2D 4.2%

Why You'll Like It: An isometric tower defense game that focuses on strategic tower placement and managing enemy paths.

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

Why similar: Tower Defense 77.9%, Strategy 15.1%, Indie 4.4%, Sci-fi 2.7%

Why You'll Like It: A polished sci-fi tower defense title that captures the classic feel of defending against alien hordes.

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.

Why similar: Tower Defense 42.7%, Space 18.3%, Strategy 12.6%, Aliens 10.4%, Sci-fi 6.6%

Why You'll Like It: A high-quality sci-fi tower defense game that emphasizes survival and tactical unit management.

Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.

Why similar: Tower Defense 76.5%, Strategy 13.8%, Casual 5.6%, Action 4.1%

Why You'll Like It: A classic, colorful tower defense experience that matches the vibrant visual style and fast-paced action of the seed game.

Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements.

Why similar: Tower Defense 52.9%, Real Time Tactics 30.8%, Strategy 13.9%, Indie 2.4%

Why You'll Like It: A highly strategic game that emphasizes maze construction and elemental synergies, perfect for fans of complex defense layouts.

Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!

Why similar: Tower Defense 63.7%, Strategy 12.3%, Space 6%, Aliens 4.4%, Casual 3.9%

Why You'll Like It: A quirky, space-themed tower defense game that shares the casual yet challenging spirit of the seed game.

Evil Defenders is a fun, frenetic defense game: build and upgrade your towers, сast spells to repel enemy forces, use special landmarks and defend the Lands of Evil from invaders! Feel free to play the game in many different ways through unique tower upgrades, a deep skill tree and 100 in-game achievements.

Why similar: Tower Defense 70.8%, Strategy 17.2%, Casual 6.7%, Indie 5.2%

Why You'll Like It: Offers a wide variety of towers and strategic upgrades that keep the gameplay engaging and varied.

Defend galaxy against Alien invasion in the RTS offline game with roguelike fun

Why similar: Tower Defense 26.2%, Wargame 19.1%, Real Time Tactics 18%, Space 10.9%, Strategy 7.9%

Why You'll Like It: Combines real-time tactics with tower defense elements in a sci-fi setting, mirroring the intensity of Radiant Defense.

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

Why similar: Tower Defense 29.3%, Wargame 18.6%, Real Time Tactics 18.3%, Space 15.6%, Strategy 8%

Why You'll Like It: Features unique fluid-based mechanics that offer a fresh, tactical take on the tower defense genre.

Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!

Why similar: Tower Defense 70.2%, Strategy 12.8%, Difficult 7.5%, Casual 5.4%, Indie 4.2%

Why You'll Like It: Features charming isometric visuals and classic tower defense mechanics that feel very accessible.

Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.

Why similar: Tower Defense 36.7%, Space 18.4%, Strategy 11.4%, Colorful 7.8%, Hand-drawn 7.2%

Why You'll Like It: A 2D tower defense game that emphasizes strategic planning and resource management in a sci-fi setting.

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Why similar: Tower Defense 48.3%, Strategy 10.5%, Aliens 8.6%, Difficult 7.3%, Colorful 6.2%

Why You'll Like It: A lighthearted, alien-themed tower defense game that focuses on fun and colorful gameplay.

Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.

Why similar: Tower Defense 42.5%, Real Time Tactics 27.1%, Strategy 12%, Colorful 9.2%, Sci-fi 5.3%

Why You'll Like It: A sci-fi strategy title that pits players against massive swarms of enemies, requiring efficient defensive setups.

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!

Why similar: Tower Defense 45.1%, Real Time Tactics 17%, Strategy 12.2%, Aliens 9.4%, Colorful 7%

Why You'll Like It: A modern, 3D sci-fi tower defense game that focuses on tactical placement and wave management.

'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.

Why similar: Tower Defense 48.1%, Strategy 20%, Cartoon 10.6%, Aliens 9.3%, 2D 6.5%

Why You'll Like It: A space-themed tower defense game that focuses on base building and tactical defense against alien threats.

Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!

Why similar: Tower Defense 39.3%, Difficult 18.4%, Strategy 10.8%, Space 10%, Aliens 7%

Why You'll Like It: Blends roguelike elements with tower defense, providing a fresh and challenging experience for strategy fans.

The sequel to the hit strategy game, with new weapons, landscapes, and options.

Why similar: Tower Defense 50%, Strategy 30%, Action 10.3%, Indie 9.8%

Why You'll Like It: A visually polished tower defense game that focuses on tactical positioning and managing diverse enemy types.

Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe. Allocate resources, upgrade defenses, and repel relentless enemy attacks! With over 50 unique units and deep strategy, experience real-time tower defense!

Why similar: Tower Defense 47.1%, Space 25.4%, Strategy 13.9%, Sci-fi 6.8%, Indie 3.9%

Why You'll Like It: A roguelite tower defense game set in space that emphasizes quick thinking and strategic adaptability.

Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.

Why similar: Tower Defense 46.3%, Strategy 14.4%, Space 14.3%, Colorful 9.7%, Casual 5.7%

Why You'll Like It: Incorporates roguelite and card-game mechanics into the tower defense genre for a unique strategic experience.

Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.

Why similar: Tower Defense 40.4%, Strategy 34.5%, Indie 13.4%, Action 11.8%

Why You'll Like It: An indie strategy game that captures the core essence of tower defense with a focus on action and difficulty.

6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!

Why similar: Tower Defense 33.3%, Real Time Tactics 20.2%, Wargame 15.7%, 2.5D 10.8%, Strategy 7.7%

Why You'll Like It: A tactical tower defense game that incorporates auto-battler elements for a modern twist on the genre.

Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!

Why similar: Tower Defense 59.3%, Strategy 11.5%, Cartoon 7.9%, Difficult 6.1%, 2D 4.1%

Command your troops through an epic (mis)adventure as you defend exotic lands from dragons, man-eating plants, and ghastly denizens of the underworld -all with flashy new towers, levels, heroes, and more goodies to help you crush your foes in this Fantasy Action Tower Defense game!

Why similar: Tower Defense 46.3%, Difficult 15%, Strategy 11.4%, Cartoon 8.3%, 2D 4.7%

Age of Defense is a tower defense game full of mind-blowing mayhem. There are tons of monsters and tough defenders in the game each of which fits perfectly into a funny cartoonish setting.

Why similar: Tower Defense 38.5%, Difficult 13.8%, Cartoon 11.6%, Strategy 11.5%, Colorful 8.4%

Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!

Why similar: Tower Defense 47.8%, Aliens 18.3%, Strategy 13.2%, 2D 7%, Casual 4.8%

Why You'll Like It: Focuses on arcade-style defense against alien waves, perfect for fans of the action-heavy side of Radiant Defense.

Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.

Why similar: Tower Defense 49.2%, Difficult 18.8%, Strategy 12%, 2D 5.8%, Casual 4.7%

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

Why similar: Tower Defense 67.7%, Strategy 18.3%, Aliens 9.1%, Sci-fi 5%

Molten Armor is an action tower defense game with a non-linear story in sci-fi setting! Command defenses and stop hordes of enemies! Fight on land, sea and in the skies!Decisions taken in the heat of battle will change the course of the war.

Why similar: Tower Defense 30%, Wargame 16.4%, Real Time Tactics 16.3%, Difficult 11.9%, Strategy 9.7%

Why You'll Like It: A fast-paced strategy game that blends tower defense and RTS elements for a dynamic combat experience.

Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defense with your turrets against the massive hordes of enemies.

Why similar: Tower Defense 69.2%, Strategy 23.1%, Indie 7.7%

The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!

Why similar: Tower Defense 26.4%, Wargame 17.3%, Real Time Tactics 16.8%, Space 14.5%, Strategy 6.7%

Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!

Why similar: Space 20.2%, Strategy 18.7%, Aliens 14.1%, Sci-fi 9.3%, 2D 8.2%

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

Why similar: Tower Defense 50.2%, Difficult 13.9%, Strategy 12.4%, Aliens 10.2%, Sci-fi 5.1%

Defense Task Force Featuring Large Scale Procedurally Generated Tower Defense Battles with FPS Quality Visuals and Infinite Waves. 10 tower types, with different attacks , 3 levels plus boosts. 25 Enemy alien species: Regulars, Swarmers, Racers, Cloakers, Healers, Boss Units and Spawners.

Why similar: Tower Defense 56.8%, Strategy 19.3%, Simulation 11%, Indie 6.9%, Sci-fi 6%

Cosmic Dust & Rust is a tower defence game set in space. Upgrade your ship, build turrets and defence systems, undergo side missions and take control of your ship manually and use its cannons and super weapons to destroy your enemies.

Why similar: Tower Defense 40.5%, Casual 18.9%, Strategy 15.4%, Difficult 11.9%, Pixel Graphics 5.3%

Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.

Why similar: Tower Defense 40.3%, Difficult 15.3%, Real Time Tactics 13.2%, Strategy 12.9%, Colorful 8.5%

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.

Why similar: Tower Defense 63.7%, Strategy 21.7%, Action 6.4%, Indie 6%, Sci-fi 2.2%

Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.

Why similar: Tower Defense 46.5%, Aliens 13.1%, Strategy 7.9%, 2D 7.1%, Pixel Graphics 6.8%

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

Why similar: Tower Defense 41.1%, Space 16.3%, Strategy 12.3%, Colorful 9%, Aliens 8.6%

Defend Billy and his crew on their way to the extraction zone! You have been authorized to use the defense system. Protect them from giant bugs, malfunctioning droids and more...

Why similar: Strategy 32.9%, Aliens 13.7%, Colorful 13.2%, Sci-fi 12.6%, Tower Defense 11.9%

Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

Why similar: Tower Defense 54.1%, Strategy 15.5%, Aliens 10.4%, Pixel Graphics 7.7%, Sci-fi 7.3%

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.

Why similar: Tower Defense 50.4%, Strategy 23.5%, Aliens 7.5%, Action 5.7%, Sci-fi 5.3%

Strategic tower defense where you play a witch, place class-based towers, equip them with items that grant powerful abilities, combine them, create unique builds & deal ridiculous amounts of damage! Customize your builds with a deep stat system and giant skill tree!

Why similar: Tower Defense 45.8%, Difficult 13.4%, Strategy 13%, Colorful 6.9%, 2D 5.6%

Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.

Why similar: Tower Defense 33%, Real Time Tactics 19.3%, Space 16.2%, Strategy 10%, Aliens 9.8%

Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.

Why similar: Tower Defense 35.8%, Real Time Tactics 17.9%, Strategy 10.5%, Cartoon 8.6%, Colorful 6.6%

iBomber Defense combines classic tower defense gameplay with intense action and strategy. Keep enemies at bay all over the world using a variety of weapons and tactics, from rattling Machine guns, explosive cannons and awesome anti-aircraft artillery!

Why similar: Tower Defense 69.2%, Strategy 21.3%, Indie 6.7%, Casual 2.8%

Collect resources and establish a defense line before dark And then Facing countless enemies

Why similar: Tower Defense 36.7%, Real Time Tactics 20.4%, Wargame 16.2%, Strategy 10.3%, Difficult 6.3%

A roguelike tower defense where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and unique effect items to craft powerful builds that lead you to victory.

Why similar: Tower Defense 64.5%, Strategy 17%, Casual 6.9%, 2D 6.3%, Action 5.3%

Mechs V Kaijus is an addictive hardcore tower defense gameplay. In Mechs V Kaijus you take on the role of Commander of a powerful Mechs squadron. Improve your Mech, strategically place towers and factories on the battlefield. Deploy support units on the battlefield, and save our civilization.

Why similar: Tower Defense 78.7%, Strategy 10.6%, Indie 4.4%, Pixel Graphics 3.4%, Action 2.9%

Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!

Why similar: Tower Defense 55.2%, Space 24%, Strategy 13.1%, Sci-fi 3.6%, Indie 3.2%

Space Raiders in Space is a wave defense roguelike mixing squad management and tower defence mechanics. Command your almost competent crew to loot weapons and supplies, build defenses, and fight their way through the Bugpocalypse.

Why similar: Tower Defense 52.3%, Strategy 17.6%, Colorful 9.3%, Sci-fi 8%, Indie 6.5%

A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.

Why similar: Tower Defense 55.7%, Strategy 15.5%, Colorful 10.7%, Aliens 7.6%, Sci-fi 5.9%

Lead an armored squad through the perils of this reversed tower defense action-strategy game!

Why similar: Tower Defense 48.7%, Strategy 29.2%, Indie 6.3%, Sci-fi 5.9%, Action 5.4%

A tower defense action roguelike where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and items to craft powerful builds that lead you to victory.

Why similar: Tower Defense 52.1%, Strategy 15.9%, Aliens 11.7%, 2D 7.8%, Casual 6.9%