Free Downloads: Alien Invasion Detector

License:  All 1 2 | Free

Captain Crusader & The Martian Invasion Screenshot
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Take on the role of Captain Crusader, as you struggle to escape the government's deadly grasp in the midst of an alien invasion!! Side-scrolling, action/adventure desktop game for Windows... Supports keyboard, joystick, windowed or fullscreen modes!

Take on the role of Captain Crusader, as you struggle to escape the government's deadly grasp in the midst of an Alien Invasion!! Side-scrolling, action/adventure desktop game for Windows... Supports keyboard, joystick, windowed or fullscreen mode(s), etc. Keyboard Controls (customizable in menu): Cursor keys - Movement 'A' key - Punch/Shoot 'Z' key - Jump/Exit...

Category: Games / Action
Publisher: MIK Entertainment, License: Shareware, Price: USD $14.95, File Size: 23.1 MB
Platform: Windows



5 Stars5 Stars5 Stars5 Stars5 Stars Shareware
Atomaders Screenshot
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You have to liberate your planet system from alien invasion using your spacefighter. Player can obtain various extra-weapons and special abilities by destroying enemy cyborgs, fighters and motherships. Each planet has its own cyborgs and bosses.

This space-shooter is based upon the classical Invaders/Galaxian idea. You have to liberate your planet system from the Alien Invasion using your spacefighter. Player can obtain various extra-weapons and special abilities by destroying enemy cyborgs, fighters and motherships. Each planet has its own cyborg types and an unique powerful boss at the last level. Additional planet...

Category: Games / Action
Publisher: KraiSoft Entertainment, License: Shareware, Price: USD $19.95, EUR14.95, File Size: 8.2 MB
Platform: Windows

5 Stars5 Stars5 Stars5 Stars5 Stars Freeware
Star Wings Screenshot
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Star Wings is a challenging skill game for free. At the controls of a heavy space destroyer, you are fighting an alien invasion. The goal for you is to get to the end of the round, destroying as many enemy units as possible along the way.

Star Wings is a challenging skill game for free. At the controls of a heavy space destroyer, you are fighting an Alien Invasion. The goal for you is to get to the end of the round, destroying as many enemy units as possible along the way. In the game, control the car using the mouse and click the left button to fire. Pick up the bonuses they will assist you in your mission. Come...

Category: Games / Strategy & War
Publisher: NowStat.com, License: Freeware, Price: USD $0.00, File Size: 2.1 MB
Platform: Windows

Commercial
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Aliens strike again in the aftermath of Area 51, entitled Blacksite: Area 51, this new game will improve everything seen in the previous version, showing action from Iraq to Nevada, in an alien invasion, where you will be responsible for the stopping

Aliens strike again in the aftermath of Area 51, entitled Blacksite: Area 51, this new game will improve everything seen in the previous version, showing action from Iraq to Nevada, in an Alien Invasion, where you will be responsible for the stopping of the plague.

Blacksite: Area 51is developed by Midway Austin and published by Midway. In contrast to its...

Category: Games / Adventure & RPG
Publisher: Midway Austin, License: Commercial, Price: USD $19.99, File Size: 0
Platform: Windows

Shareware
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Redneck Rampage is a first-person shooter game and the plot revolves around two brothers, Leonard and Bubba, fighting through the fictional town of Hickston, Arkansas to rescue their prized pig Bessie and thwart an alien invasion.

Redneck Rampage is a first-person shooter game and the plot revolves around two brothers, Leonard and Bubba, fighting through the fictional town of Hickston, Arkansas to rescue their prized pig Bessie and thwart an Alien Invasion.

Armed with up to nine impractical and occasionally illegal weapons ranging from a crowbar to an Alien arm gun, blast your way with...

Category: Games / Action
Publisher: Activision Inc., License: Shareware, Price: USD $9.95, File Size: 11.1 MB
Platform: Windows

Freeware
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School Invaders shows the adventure of a boy who arrives at school as usual and suddenly finds himself forced to defend it from an alien invasion.

School Invaders shows the adventure of a boy who arrives at school as usual and suddenly finds himself forced to defend it from an Alien Invasion.

The game is innovative and quite different from the rest, the graphics are very simple but written in a cartoon fashion to make it funnier. Although the green worm-like aliens are very frightening, you wouldn't want...

Category: Games / Arcade
Publisher: arcadetown.com, License: Freeware, Price: USD $0.00, File Size: 6.9 MB
Platform: Windows

Freeware
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The player assumes the role of John Armstrong, a medical student with the National Guard who must repel an alien invasion.

The player assumes the role of John Armstrong, a medical student with the National Guard who must repel an Alien Invasion.

In this epic action game, explore a realistically modeled New York City in the aftermath of an Alien Invasion. Fight against a wide variety of Invaders, from swarms of mindless Spawns to titanic Aspirants; each enemy typehas its own...

Category: Games / Strategy & War
Publisher: Ladyluck Digital Media, License: Freeware, Price: USD $0.00, File Size: 361.0 MB
Platform: Windows

Freeware
Stay Alive Screenshot
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An alien invasion has begun, and we have only one chance to stop them. You are our last hope to wipe them out. The fate of humanity now depends on you! Work hard and be smart, so you may stay alive !!!

An Alien Invasion has begun, and we have only one chance to stop them. You are our last hope to wipe them out. The fate of humanity now depends on you! Work hard and be smart, so you may stay alive !!! An Alien Invasion has begun, and we have only one chance to stop them. You are our last hope to wipe them out. The fate of humanity now depends on you! Work hard and...

Category: Games / Action
Publisher: Falco Software Company, License: Freeware, Price: USD $0.00, File Size: 132.3 MB
Platform: Windows

Galactic Dream Rage of War Screenshot
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A classic real time strategy game dealing with galactic warfare and alien invasion. The game features massive battles in space, fast creation of armies and, finally, a good sense of humor.

For hundred of years we have searched for the answer to an eternal question: Are we alone?. A terrible menace from the galactic core that could lead to the extinction of all humanity, a mysterious destination, an Alien king that will stop at nothing to get what he wants and who keeps a close track on humans, no matter where they go... Engage in epic galactic warfare, venture deep into...

Category: Games / Strategy & War
Publisher: Evolution Vault SRL, License: Demo, Price: USD $19.99, EUR13.51, File Size: 120.1 MB
Platform: Windows

Freeware
Alien Bust Screenshot
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Free shooting games experts are exactly what this game needs.

Free shooting games experts are exactly what this game needs. If you got tired of those child easy shooting games, well you just discovered the real thing for you. Being a captain of the US anti-Alien special force, you get to operate the latest human made technology in the final fight against Alien Invasion. Those aliens have more firepower on their disposal, their armors...

Category: Games / Action
Publisher: Free Shooting Games, License: Freeware, Price: USD $0.00, File Size: 3.3 MB
Platform: Windows

Shareware
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The universe of Project of Planets is a war torn world where humanity struggles against alien invaders amidst a nuclear wasteland.

The universe of Project of Planets is a war torn world where humanity struggles against Alien invaders amidst a nuclear wasteland. Taking place over two-hundred years in the future, humanity combats the ever present Alien menace.

In 2235 the Middle East was gradually running out of fossil fuels. This caused political turmoil as petro-chemical resources became scarce....

Category: Games / Strategy & War
Publisher: Miracle Castle, License: Shareware, Price: USD $0.00, File Size: 0
Platform: Windows

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It is the year 2084.

It is the year 2084. You control a secret organization charged with defending Earth from a brutal Alien enemy. Build up your bases, prepare your team, and dive head-first into the fast and flowing turn-based combat.

Category: Games / Action
Publisher: ufoai.ninex.info, License: Freeware, Price: USD $0.00, File Size: 524.0 MB
Platform: Windows, Mac, 2K, 2K3, Vista

Shareware
Alien Invasion Screenshot
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Aliens from another universe have entered our world thru worm holes in the cosmic fiber. Your mission is to trap them and send them back to the Sheesh Planet.To complete your mission you must find all three books (red, blue and white). When all three

Aliens from another universe have entered our world thru worm holes in the cosmic fiber. Your mission is to trap them and send them back to the Sheesh Planet.To complete your mission you must find all three books (red, blue and white). When all three books are brought together, the rip in the cosmic fiber will mend and the two worlds will once again exist in harmony and peace.

Category: Games / Action
Publisher: MG Software, License: Shareware, Price: USD $8.00, File Size: 1.3 MB
Platform: Unknown

Shareware
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Defensor is a superior quality, horizontally-scrolling, shoot-them-up game for the PC.

Defensor is a superior quality, horizontally-scrolling, shoot-them-up game for the PC. Defend the planetoid against Alien Invasion. Protect the humanoids from abduction and more. Destroy the waves of multiple Alien bug types, all with individual characteristics, collect bonuses and power-ups, and prepare to battle the mother Alien. Due to the dynamic nature of the...

Category: Games / Action
Publisher: GamerBlitz, License: Shareware, Price: USD $9.95, File Size: 3.9 MB
Platform: Windows

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Unreal Tournament 3 is perhaps one of the best games ever released.

Unreal Tournament 3 is perhaps one of the best games ever released. I am not just saying that. I have strong proof. Just head to the official site and take a look of it. In the game, your mission is to defend humanity from an Alien Invasion. I know that theme can get old and boring, but add extremely awesome graphics, intense gameplay and bad-a$$ weapons to the mix, and you get a...

Category: Games / Action
Publisher: Epic Games, License: Demo, Price: USD $0.00, File Size: 0
Platform: Windows

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Defend your space station against wave after wave of evil aliens!

Defend your space station against wave after wave of evil aliens! Incredibly creepy aliens and lots of weapons breath excitement into a favorite classic. Catch the power-ups to upgrade your weapons system and teach the invading aliens a lesson!

Main features:

- 30 amazing levels
- Endless nightmare levels
- High score table
- Fast, addictive play

Category: Games / Action
Publisher: Webfoot Technologies, Inc., License: Shareware, Price: USD $4.95, File Size: 443.5 KB
Platform: Windows

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Planet Esperanza - colonized by spaceship Magaleansh in 2020.

Planet Esperanza - colonized by spaceship Magaleansh in 2020.

Many years have passed since the first colonists arrived Esperanza. Through hard work and determination, they gradually setup base on their adopted planet. Over time, leaders emerged, a government was formed, commerce flourished and the pilgrims from Earth eventually made the planet of the three suns their home.
...

Category: Games / Strategy & War
Publisher: Tri Synergy, License: Shareware, Price: USD $26.00, File Size: 2.4 MB
Platform: Windows

Spyware Process Detector Screenshot
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Spyware Process Detector is an anti-spyware tool that detects all processes running on the computer, including hidden ones, and displays their color-coded threat rating based on the intelligent analysis of all hidden properties.

Spyware Process Detector is an anti-spyware tool that will detect all processes running on the computer and display their threat rating based on the intelligent analysis of all hidden properties. Another specialty of the program is its ability to detect a process that contains and executes Alien code of another process. Users will at a glance see the detailed information about any...

Category: Security & Privacy / Anti-Virus Tools
Publisher: System SoftLab, License: Shareware, Price: USD $19.90, EUR13.9, File Size: 1.0 MB
Platform: Windows

A.A.L. - Alien Eliminator Screenshot
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A.A.L. - Alien Eliminator is massive arcade action packed into 45 unique alien spaceships. Shoot whatever moves (or doesn't move for that matter) in 135 planetary systems in 15 empires. Pick up in-game powerups and unlock stronger ships.

A.A.L. - Alien Eliminator is massive arcade action packed into 45 unique Alien spaceships. Shoot whatever moves (or doesn't move for that matter) in 135 planetary systems in 15 empires. Pick up in-game powerups and earn hundreds of upgrade points to unlock better ships with stronger armor, more powerful cooling systems, six-pack missiles, or a terrifying railgun. Uncover all the...

Category: Games / Action
Publisher: TaipanGames, License: Shareware, Price: USD $19.95, File Size: 9.0 MB
Platform: Unknown

5 Stars5 Stars5 Stars5 Stars5 Stars Shareware
Alien Sky Screenshot
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Make a raid deep into alien force positions to eliminate the threat for your homeworld. You'll encounter lots of different alien ships, upgrade your weaponry with extra-weapons, blow up enemy barriers and defeat powerful bosses.

Make a raid deep into Alien force positions to eliminate the threat for your homeworld. You'll encounter lots of different Alien ships, upgrade your weaponry with extra-weapons, blow up enemy barriers and defeat powerful bosses. Lots of special effects, unique tactics for each level, nice music and sound FX, Worldwide Hall of Fame and much more.

Category: Games / Action
Publisher: KraiSoft Entertainment, License: Shareware, Price: USD $19.95, EUR14.95, File Size: 5.8 MB
Platform: Windows

Duplicate File Detector Screenshot
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Duplicate File Detector is a powerful tool to search for file duplicates on your computer. It can find duplicates of any files: text, binary, music, video or images.

Duplicate File Detector is a powerful tool to search for file duplicates on your computer. It can find duplicates of any files: text, binary, music, video or images. The following criteria can be used search for duplicates: filename, file size, or file content. For multimedia files (MP3, OGG/Vorbis, WMA), the content of the following tags can be also analyzed: "Artist", "Album", "Title"...

Category: Utilities
Publisher: AL-Software team, License: Shareware, Price: USD $29.00, File Size: 1.8 MB
Platform: Windows

Alien Invaders Attack! Screenshot
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Free arcade style space shooter game for the PC. In Alien Invaders Attack you will fight wave after wave of attacking alien space ships.

Free arcade style space shooter game for the PC. In Alien Invaders Attack you will fight wave after wave of attacking alien space ships

Category: Games
Publisher: Battleline Games, License: Freeware, Price: USD $0.00, File Size: 4.4 MB
Platform: Windows

Freeware
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Alien Abduction Use your UFO to abduct all the required people or objects before the time runs out and drop them into the mothership. .

Alien Abduction Use your UFO to abduct all the required people or objects before the time runs out and drop them into the mothership

Category: Games
Publisher: http://www.arcadeposter.com, License: Freeware, Price: USD $0.00, File Size: 2.9 MB
Platform: Windows

Max Spyware Detector Screenshot
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Max Spyware Detector is a complete solution for individuals, professionals and home users to scan, detect and delete spyware to get rid of the malware,popup, keyloggers and trojans instantly. Get Powered with Smart scan Technology and Max Shields.

Max Spyware Detector is a complete solution for individuals, professionals and home users to scan, detect and delete spyware to get rid of the malware, adware popup, Keylogger and trojans instantly. Powered with Smart Scan Technology and Max Shields keep you protected all the time when you are online browsing the net. Max Spyware Detector has advanced features which protect...

Category: Security & Privacy / Anti-Spam & Anti-Spy Tools
Publisher: Max Secure Software, License: Shareware, Price: USD $29.95, File Size: 9.4 MB
Platform: Windows

5 Stars5 Stars5 Stars5 Stars5 Stars Freeware
City Invasion Screenshot
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City Invasion is an interesting action game for free. The city's defenses have been crippled by a massive earthquake. The enemy has taken this opportunity to launch an attack. It's up to you to rally your men and push back this vile assault.

City Invasion is an interesting action game for free. The city's defenses have been crippled by a massive earthquake. The enemy has taken this opportunity to launch an attack. It's up to you to rally your men and push back this vile assault. Build units to attack the enemy headquarters and defend your own. Press Up/Down to switch between the five attack lanes, then click on the unit...

Category: Games / Action
Publisher: NowStat.com, License: Freeware, Price: USD $0.00, File Size: 6.3 MB
Platform: Windows

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License:  All 1 2 | Free