Top similar games like Archon-9 : Alien Defense:

2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

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.

Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!

Incarnus Warfare is a classic real-time strategy featuring moderate-scale unit combat and base building. The game focuses heavily on immersion in every aspect. Forget the real world around you, and once again, become a commander of a military task force, just like in your childhood.

Power the Unknown is a strategy game where you build a base on an unexplored planet and defend it from swarms of hostile bugs. Mine resources and generate enough energy to power your ever-growing base.

Bite size colossal battle! Build an army in minutes as infantry upgrade with orbital drops into war machines! Then combine those machines to form the giant Mantlet mech! All while bullet hell rages! In a transhuman future, command Mantlet One to secure New Terra!

A story-driven sci-fi RTS. A signal buried under sixty years of noise draws a Singularian expedition into the Veil, where something faster tears the hyperdrive apart mid-jump. Gather, hold the line, and push into the hive toward an ancient artifact. Two asymmetric factions, one crash landing.

Grimstar is a real-time strategy game with a story-based single-player campaign. Your brother's sudden death has hit you hard, but the laws of the corporation for which he laid down his life dictate that you must take his place until his contract is fulfilled...

A real-time strategy game of orbital warfare. Build satellites, launch them into chosen orbits, and fight for control of the sky. Your assets stay invisible until an enemy sensor finds them. Every strike depends on being overhead at the right moment.

Join our machine legion to conquer the world.

Frontier Control: Invasion is a Real-Time Strategy survival game in which you play the commander of a human space colony under the attack of outer space robots. Build your base, train your colony, and fight herds of enemies and bosses.

Story-driven RTS set on Mars! Build bases, command armies and uncover the choices and failures of humanity. Each campaign offers a radically different perspective on the struggle for humanity's future, a conflict between freedom, control and a frenzied pursuit for immortality through AI.

Leave No One Behind is tactical real time strategy war game. Experience some of the hardest battles fought during the Vietnam War in 1965 between US Army and the Army of the Northern Vietnam for landing zones X-Ray and Albany and for Plei Me special forces camp.

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

Build layered defenses, command futuristic weapons, and trigger devastating chain reactions against waves of Soviet super soldiers. Red Conflict 2044 is a single-player survival RTS with vertical construction, escalating battles, and dark satire about an empire that calls invasion liberation.

Rise of the Cones is a tower defense game where a relentless army of cones is marching toward your base. They will not stop. Build towers, shape them with branching upgrades, and figure out how to hold the line.

A hand-drawn survival tower defense on a hostile alien world. No fixed lanes — towers and ice walls reshape the swarm in real time. Command distinct frontline heroes, trigger ecological chain reactions, and defend the Purification Core across expanding battlefields.

This game is a 3d Tower Defense created by a highschooler. It was developed by Unity and was accompanied by a lot of youtube tutorials.

Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!

Hyperwar is an RTS game with many classic elements such as base building, research, unit production and resource gathering, but it also contains new approaches and ideas. Paired with modern graphics and a freely moving camera, this game is a completely new experience in the genre.

Lead through an action-packed fast-paced tower defense game with a story of an invasion on your homeland by a large foreign force and as a newly appointed commander do what you can to help your country fight back and defend against this enemy force which is approaching from the coast.

Equip your mechs, drop them from orbit and hold the line. NEEDLEFALL is a horde defense RTS for 1–4 players. Build pipes to carry Flux to the Core and your turrets, raise walls, command your mechs against swarms of hundreds of creatures and destroy the twelve hives.

VR RTS meets shooter: command armies and fight with your own aim on the Andromeda front. Capture building slots, manage 3 resources, and win fair 1v1 and 2v2 battles.

Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.

Build sprawling defensive networks of high-tech turrets and logistics systems to repel massive enemy swarms! Take direct control of your turrets and utilize powerful support powers to repel the invasion!

Hell of Men: Blood Brothers is a real-time strategy game, developed by one person, in which you will have to collect resources, build your base, train your army by choosing your soldiers wisely and fight.

WARSHIFT 2 blends RTS, Action, and RPG progression. Build bases and command troops, mechs, battleships, and aircraft carriers. Then take direct control of your hero and fight alongside your army. Customize your heroes with weapons and upgrades.

Rage of Towers delivers a unique hybrid experience where tower defense meets real-time control. Build and upgrade your towers and directly control turrets and mobile units to respond quickly to evolving enemy threats and turn the tide of battle

A sci-fi low-poly tower defense game. Design your defense against waves of aliens using a wide arsenal of different towers.

An RTS classic reborn with a twist. Time is of the essence, Commander! Capture the flags, conquer the territories, and eliminate the enemy fort. And finally, nuke them all! This old-school sci-fi Indie real time strategy game, crafted by devoted team, revives the genre's enduring allure.

Free-form space defense in real time. Mine asteroids, route power from Helios and hold off pirate fleets. Lose one Conductor and a whole flank goes dark. Build without a grid, choose your weapons and take on 21 levels.

Para Bellum - Hold the Line is a 3D real time small unit tactics game. Your task is to hold off enemy attacks wave after wave using a variety of different Units and Supports in your arsenal to the best of your abilities in Campaign and Skirmish modes.

You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.