111
SigmaTeam
5,957
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.
164
MyPlayCity, Inc.
12,410
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.
51
Sigma Team
404
Shareware
Your mission is simple: clear the base at all costs.
1
ALTAR Interactive
224
Shareware
UFO Aftermath is a tactical game where you must repel an alien invasion.
7
UFO:AI Team
369
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
1,041
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
489
Shareware
Control the global defense team in a battle against a terrifying alien invasion.
12
Deep Silver Volition
9,005
Shareware
Save the world from an alien invasion in this action-packed game.
16
Anderson Bressan
218
Freeware
Taxi Mod Black Edition is a free mod for the GTA game.
