List of the top Aliens games:

The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.

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There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city.

An exciting sci-fi real-time strategy game. You are the leader of a band of elite Marines on a rescue mission; it is your job to secure the outpost and rescue lost miners. Aliens are running amok; it won't be easy...

Mido is an alien kid having nightmares about zombie aliens. One night he draws a creature, Di, and it comes alive to teach Mido how to fight zombies.

When alien beings decide to invade and conquer Earth, they don't expect such a powerful enemy: A very angry farmer, join him in the battle against dangerous and lethal aliens and win back the farm that is rightfully yours.

An extremely difficult strategy game focused on stealth mode. Your objective is to lead the cows on their escape through the spaceship. Go from hiding to hiding so as not to be seen by the aliens and be patient with the granny cow. Are you qualified to fulfill this mission?

Arriving on a hunt in a small village, you become a witness to attack of alien forces on the ground, armed with a shotgun, you decide to repulse the alien intruders.

In the game you play the Pandean hero, Tin, which has a mission to save his planet from alien threat. You will be facing many obstacles thru different environments, where you will meet angry robots and funny looking animals.

Survivor: Spark is the first episode of a series of anti alien invasion games. It's a classic transcendental third person shooting game!

It's a mix of shooting and running, shooting enemies with bows and arrows, saving animals with parachutes, and dodging cacti and crocodiles by jumping.

Invader TD is a side scroller tower defense, where the player is in the role of an alien race with the purpose of infecting and dominating the earth, you must protect yourself from the attacks of the humans, who are trying to destroy you.

Galactic Wars EX is a pixel perfect co-op retro arcade shmup retrogaming experience for modern pcs

Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

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.

You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.

You have a very important mission. Be a hero who saved humanity from extinction. Fight intense battles, use all your skills and destroy all the threats that are coming to our planet. Remember, we don't know exactly what we are dealing with, be careful. You are our hope.

Under Domain - Alien Invasion Simulator will surprise you with a Sci-fi turn-based game completely different from others. How about turning yourself into an Alien and planning an invasion to Planet Earth? You can secretly influence human history and build war machines to exterminate human beings.

A first person space exploration game where you investigate the inner caves of an asteroid passing by your planet. Dive into the deeps of the asteroid aboard your ship, collecting information and samples of many beautiful minerals and lifeforms while searching for more complex and intelligent beings

Act as an alien driving a UFO and collect materials to upgrade the spacecraft. Kidnap bikini girls, extract purple energy, and study the function of purple energy. Avoid human attacks, strengthen the defense of spacecraft and alien technology.

A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.

Outergalactic Aliens Pinball is a fast paced 8 flipper pinball game featuring 8 main missions, for more info check out our complete walkthrough guide! Get ready to battle the galaxy while listening to a twelve minute original soundtrack to keep the action rolling.

Build your Lunar Defense Company. Defend against invading aliens in this exhilarating Tower Defense and Business Simulator. Accept contracts, hire staff, conduct research, upgrade turrets, expand your office and protect the Moon. Aliens Down, Profits Up!

Nebula Invasion was designed for those who enjoy the classic type arcade games, a spaceship shooter with great gameplay. Aliens attack many different ways from marching to dive bombing. You have the tools to fight back with a ship that can power-up with double, triple, rapid fire, or plasma cannon.