Protect the Solar System

Alien bugs have infested the galaxy and it's up to you and your army of Solar Marines to stop them!
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Towers

This group of towers focuses on shredding and melting. The soldier is your basic, all around boots on the ground recruit while the scout is a fast firing unit, wielding two weapons at once. The hefty Sol Mecha, with its powerful blasts will shred  through even the biggest enemies. The Flamethrower is self-explanatory, using a fiery emissive blast to burn his targets.
A pixelated 3D model of a blue armored soldier from the game "Alien Tower Defense
SOLDIER
Space marine scout robot with dual guns, in green and black color scheme.
SCOUT
A big green mech suit called Sol Mecha armed with two miniguns and cannons on his back.
SOL MECHA
A soldier in a big red suit and a gas mask, armed with a flamethrower.
FLAMETHROWER

Towers

This group of towers focuses on slowing and exploding. The fuel efficient oiler slows towers while the Iron Slammer uses his powered gauntlets to smash the ground and deal massive damage. The Sun Tank is the ultimate long range explosive tower while the Grenadier utilizes his massive splash damage to handle an enemy swarm.
A stylized, heavily armored robotic character holding a large weapon. The robot has a bulky design with a dark blue-gray and orange color scheme. It features a prominent backpack-like structure with cylindrical components on its back, connected by a thick cable. The robot's body is segmented with angular shapes and glowing orange accents, giving it a high-tech, futuristic look.
OILER
A stylized, heavily armored robotic character with a bulky build and mechanical design. The robot features large, angular shoulder pads and a segmented body in blue-gray and orange colors. It has hexagonal and rectangular elements with glowing orange accents around the joints and edges, giving it a high-tech, futuristic appearance.
IRON SLAMMER
A stylized, heavily armored robotic tank with a bulky and angular design. The tank features a combination of green, blue-gray, and orange colors. It has a large turret with dual cannons and prominent rectangular and hexagonal shapes. The tank is equipped with tracks for mobility and has glowing orange accents, contributing to its high-tech, futuristic appearance.
SUN TANK
Grenadier Space marine in a heavily armored space suit and a grenade launcher.
GRENADIER

Maps

Defend your shield against oncoming alien waves across these five starting maps
  • Training Camp
  • Emergency takeoff
  • Asteroid Mining
  • Mars Research
  • Prime Outpost
An image of a nighttime training camp environment from a Alien Tower Defense game, featuring rocky terrain, military-style structures, crates, and equipment. Bright floodlights illuminate the area, highlighting a central platform with futuristic machinery and various pathways connecting different sections of the camp. Rain falls, adding a dynamic element to the scene.A map from the game "Alien Tower Defense", featuring a base that is under attack by alien bugs, and space marine need leave it.A map from the game "Alien Tower Defense", featuring space marine outpost that is used for asteroid mining.Map from the game "Alien Tower Defense" featuring magma and a factory based.A map from the game "Alien Tower Defense", featuring space marine prime outpost.

Gallery

Battle against alien forces to safeguard the space station in this epic tower defense adventure!Screenshot from the game "Alien Tower Defense". The image shows a 3D battle scene on an alien planet with a purple sky. Blue armored soldiers are fighting against alien creatures. The user interface displays game information such as Shield Health, Wave count, and a selection of defensive units at the bottom. An "Alpha Drone I" is highlighted with a health bar showing 4317 points. The game is at Wave 10/10 with 2:07 remaining on the timer.A game screenshot featuring a robot and various characters in a futuristic setting.Screenshot from the game featuring the in-game lobby, which is colorful and full of life.Intense space battle in the game.A 3D rendered scene of an alien planet or space station. A large, rocky platform floats in a vibrant red and purple space environment. The platform has a gridded surface with small spider-like creatures crawling on it. Various structures, including towers with blue lights and mechanical devices, are scattered across the platform. The edges of the platform glow with green crystals or energy sources. Floating rocks and debris surround the scene, creating a surreal, otherworldly atmosphere.A screenshot of the game "Alien Tower Defense" featuring gameplay.A fiery battle rages on as people fight against alien invaders in the game screenshot.Screenshot from the game featuring the in-game lobby, which is colorful and full of life.

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A thumbnail image for Alien TD featuring a stylized alien character with large eyes and a smooth, rounded head, set against a plain background.
Go on defense missions around the galaxy to protect objectives from the evil Space Bugs with their Army of Soldiers.
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