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.

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!

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...

Build your defenses, fight beside them, and reclaim your kingdom from the corruption. Expand your land, command powerful towers, and take direct control of one of four unique heroes to defend against relentless enemy waves and devastating bosses.

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

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.

Ukrainian Warfare: Gostomel Heroes – is a real-time strategy game with a high degree of realism. Relive the Battle of Kiev (2022), a turning point in the Ukrainian conflict. Witness the Untold Story of 2022 Through the Eyes of Those Who Fought.

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.

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.

An alternate reality sci-fi survival RTS. Command, defend and dominate in 2044 against endless waves of Soviet super soldiers. Two factions, each with their own distinct technology and tactics.

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 is a unique mix of RTS, Action and RPG gameplay elements. You can build base, manage troops, mechs, battleships, carriers and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.

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.

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.

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

Dive into the chaotic world of Nine Nines, the ultimate tower defense experience where every playthrough is a unique challenge! Through 3 campaigns and endless procedurally generated maps, you can grind your way into defeating the strongest enemies!

A VR strategy game where you are big, powerful and in control. Command your forces to build, defend, and destroy.

Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction.

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!