111
SigmaTeam
5,968
Shareware
Shoot as many aliens as you can while trying to survive in this action game.
17
Half-Life Invasion Team
Freeware
After Half-Life, enter Invasion, its single-player mod.
1
Ultima Software
64
Freeware
It allows you to trace the route of an IP or host name to its source.
164
MyPlayCity, Inc.
12,412
Freeware
Alien Terminator is an action game. You will defend the Earth from the aliens.
2
Sandlot Games
270
Shareware
Save farm animals from their cruel human masters and take them on a vacation.
1
ALTAR Interactive
224
Shareware
UFO Aftermath is a tactical game where you must repel an alien invasion.
7
UFO:AI Team
370
Open source
UFO: Alien Invasion is a squad-based tactical strategy game.
Falco Software Company
23
Freeware
An alien invasion has begun, and we have only one chance to stop them.
Meyer/Glass Interactive
25
Shareware
Execute a devastating counterattack against amassive alien invasion in this all-new editionof Missil....
Adept studios
199
Shareware
In this game you have to protect the world against the alien invasion.
5
GameHitZone
1,044
Freeware
A third-person shooter game with the goal of stopping an alien invasion.
99
PardisGame
32
Commercial
Third game in the Ben 10 game series with the story of an alien invasion.
4
Firaxis Games
488
Shareware
Control the global defense team in a battle against a terrifying alien invasion.
12
Deep Silver Volition
9,006
Shareware
Save the world from an alien invasion in this action-packed game.
Bee Games
Shareware
Alien Outbreak 2: Invasion tells about new adventures of a brave cosmo pilot.
