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Best Alien Games

Step into the mysterious and thrilling world of alien games, where intergalactic adventures and extraterrestrial encounters await. From intense battles to mind-bending exploration, these games offer a unique blend of action and science fiction. For fans of fast-paced gameplay, don't miss the selection of action games that deliver nonstop excitement.

In this article, we highlight the 10 best alien games that take you to distant planets, challenge your strategic thinking, and immerse you in unforgettable cosmic adventures. Whether you're defending Earth or exploring the unknown, these titles promise endless entertainment for gamers of all ages. Prepare to embark on your next interstellar mission!

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Alien Terminator Deluxe Screenshot 1
Alien Terminator Deluxe Screenshot 2
Alien Terminator Deluxe Screenshot 3

Alien Terminator Deluxe is an action game about defending Earth from an alien invasion. You drive a super truck packed with weapons and destroy enemy bases across levels. Pick up power ups and bonuses to boost your run and meet each level goal. Tweak the controls to suit your style. Jump in and play today.

File Size: 38 Mb

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3.9 (134 Ratings)

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Submarine vs Invaders Screenshot 1
Submarine vs Invaders Screenshot 2
Submarine vs Invaders Screenshot 3

Submarine vs Invaders is an underwater action shooter. Alien creatures have flooded the oceans and only a cutting edge sub can stop them. Blast enemies, collect bonuses, and upgrade weapons, speed, and missiles as you clear 3D stages and face huge bosses. Use a nuclear beam or an electric bomb to turn the tide across 10 levels. Jump in and start the defense today.

File Size: 28 Mb

4.3 (84 Ratings)

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Galaxy Strike Screenshot 1
Galaxy Strike Screenshot 2
Galaxy Strike Screenshot 3

Galaxy Strike is an action space shooter. In the year 2307, a recon pilot faces a flood of hostile aliens. Fly a nimble ship and fire impulse guns, quantum lasers, and heat seeking missiles. Clear waves across varied space battlefields through 20 fast missions. Jump in and play today.

File Size: 14 Mb

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4.7 (114 Ratings)

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Deadly Stars Screenshot 1
Deadly Stars Screenshot 2
Deadly Stars Screenshot 3

Deadly Stars is an arcade space shooter. Fly a fast ship through vertical stages, blasting swarms of enemies and striking at fortified bases. Upgrade with dozens of weapons and push forward through intense fights. Simple controls and steady pacing keep the action clear. Jump in and start your run today.

File Size: 19 Mb

4.5 (316 Ratings)

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Alien Wars Screenshot 1
Alien Wars Screenshot 2
Alien Wars Screenshot 3

Alien Wars is a vertical scrolling space shooter. Pilot a ship through wave after wave of enemies that pour in from the top of the screen. Grab power ups to upgrade ammo, boost firepower, and earn extra lives in this fast-paced action adventure. Use the mouse to steer, left click to fire, and right click for secondary shots. Jump in and start blasting today.

Game Developer: Awem Games File Size: 6 Mb

4.1 (247 Ratings)

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Alien Cat Story Screenshot 1
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Alien Cat Story Screenshot 4
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Alien Cat Story Screenshot 6
Alien Cat Story Screenshot 7

Alien Cat Story drops a cat pilot onto an unknown planet after his flying ship crashes. Your job is to get him home. Run, jump and fight your way through levels, collecting the fuses the ship needs. Some stages switch to a top-down view, where puzzles block the path to the next area. Between levels the cat returns to the wreck and installs collected diodes. Every diode brings the repair closer to done. It mixes platform jumping with arcade combat and a space survival premise.

File Size: 12 Mb

4.3 (807 Ratings)

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Zombie Shooter Screenshot 1
Zombie Shooter Screenshot 2
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Zombie Shooter Screenshot 4
Zombie Shooter Screenshot 5
Zombie Shooter Screenshot 6
Zombie Shooter Screenshot 7

Zombie Shooter is a top-down action shooter from Sigma Team, the studio behind Alien Shooter. A secret underground research base is overrun after a failed experiment mutates its scientists into aggressive zombies. Fight through tight corridors, earn cash from fallen enemies, and upgrade your weapons and gear across Campaign, Survive, and Gun Stand modes. Face swarms of up to 100 zombies on screen at once with 10 weapon types and support gadgets in intense survival combat. Jump in and stop the outbreak before it reaches the surface.

Game Developer: Sigma Team File Size: 46 Mb

4.3 (1.8K Ratings)

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Zombie Shooter 2 Screenshot 1
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Zombie Shooter 2 Screenshot 7

A deadly virus has turned the city into a warzone, and the streets now belong to the infected! You are one of the few survivors left standing - and the only one ready to fight back and uncover the truth behind the outbreak.

Blast through massive hordes of zombies with pistols, shotguns, flamethrowers and rocket launchers. Rescue stranded civilians, jump into vehicles to plow through packed streets and upgrade your skills, armor and implants to survive the next wave. Download Zombie Shooter 2 free and take back the city!

Game Developer: Sigma Team File Size: 398 Mb

4.1 (3.7K Ratings)

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Alien Shooter Screenshot 1
Alien Shooter Screenshot 2
Alien Shooter Screenshot 3
Alien Shooter Screenshot 4
Alien Shooter Screenshot 5
Alien Shooter Screenshot 6
Alien Shooter Screenshot 7

Alien Shooter drops you into a base that has gone dark - and something is moving in the corridors. Lots of somethings! You are the last line of defense as wave after wave of alien monsters floods the halls, labs and military compounds.

Grab a shotgun, a flamethrower or a rocket launcher and mow down swarms that fill the entire screen. Scoop up supplies, upgrade your guns and armor, and blast your way through each mission before the horde overwhelms you. Download Alien Shooter free and show those invaders who owns this planet!

Game Developer: Sigma Team File Size: 20 Mb

4.3 (3.3K Ratings)

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Alien Shooter 2 Screenshot 1
Alien Shooter 2 Screenshot 2
Alien Shooter 2 Screenshot 3
Alien Shooter 2 Screenshot 4
Alien Shooter 2 Screenshot 5
Alien Shooter 2 Screenshot 6
Alien Shooter 2 Screenshot 7

A lab experiment has gone horribly wrong, and now the whole world is crawling with monsters! Armies have fallen, cities are overrun, and only a handful of fighters stand between mankind and extinction - you are one of them.

Storm through labs, city streets and military bases as thousands of creatures rush at you. Build your perfect loadout from a massive arsenal of weapons and gadgets, power up your fighter with skills, implants and armor, and hunt down the source of the outbreak. Download Alien Shooter 2 free and take the fight back to the invaders!

Game Developer: Sigma Team File Size: 270 Mb

Published 05 July 2026
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