1
ALTAR Interactive
223
Shareware
UFO Aftermath is a tactical game where you must repel an alien invasion.
93
KraiSoft Entertainment
42,740
Shareware
A simple, fun and entertaining shooting game for the whole family.
Tri Synergy
127
Shareware
IS a turn based strategy game that we have finally named UFO:Extraterrestrials.
111
SigmaTeam
5,948
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.
99
PardisGame
32
Commercial
Third game in the Ben 10 game series with the story of an alien invasion.
Adept studios
199
Shareware
In this game you have to protect the world against the alien invasion.
5
GameHitZone
1,039
Freeware
A third-person shooter game with the goal of stopping an alien invasion.
12
Deep Silver Volition
9,005
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....
4
Firaxis Games
488
Shareware
Control the global defense team in a battle against a terrifying alien invasion.
AidemMedia
267
Commercial
Reksio and the UFO an adventure game fully illustrated.
2
OpenXcom Developers
150
Open source
It is an open-source clone of the original UFO: Enemy Unknown game.
Lanning Software
Freeware
3D action alien battle game.