7
UFO:AI Team
370
Open source
UFO: Alien Invasion is a squad-based tactical strategy game.
1
ALTAR Interactive
224
Shareware
UFO Aftermath is a tactical game where you must repel an alien invasion.
93
KraiSoft Entertainment
42,754
Shareware
A simple, fun and entertaining shooting game for the whole family.
111
SigmaTeam
5,956
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.
2
OzoneSoft
70
Freeware
Spirex Screen Saver brings a Spirograph to your screen.
12
Deep Silver Volition
9,006
Shareware
Save the world from an alien invasion in this action-packed 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
1,042
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.
Falco Software Company
Freeware
Paper Space is an addictive runner game. In it you have to control an alien UFO.
UltimateArcade
Freeware
Hang The Alien is a puzzle game where you save the alien by guessing the word.
Bee Games
Shareware
Alien Outbreak 2: Invasion tells about new adventures of a brave cosmo pilot.