Tri Synergy
127
Shareware
IS a turn based strategy game that we have finally named UFO:Extraterrestrials.
7
UFO:AI Team
370
Open source
UFO: Alien Invasion is a squad-based tactical strategy game.
1
SMK Software
12
Freeware
Pocket UFO is a great strategy game for your Windows Mobile Pocket PC.
Tir Evolution
107
Shareware
UFO: Aftershock is a small squad based tactical game.
NexusMedia
11
Aliens spacescraft zip across your screen heading to Earth.
60
MyPlayCity.com
32
Ufo Killer game!
23
Teddy Games
21
Shareware
A modern 3D remake of the classic logic puzzle game.
Jeff Atwood
Freeware
Clean Sources Plus adds two right-click menus to folders.
4
Sean O'Connor's Windows Games
4
Shareware
In Windows Games UFOs you have to grab the crystals and dodge the enemies.
1
WWI Source Devs
3
Freeware
Fight in the rain soaked trenches or charge over no man’s land to battle.
2
OpenXcom Developers
153
Open source
It is an open-source clone of the original UFO: Enemy Unknown game.
MyPlayCity, Inc.
75
Freeware
Defeat all alien invaders and save the world in this shooting game.
ET:Legacy Team
189
Open source
It is based on the source code of Wolfenstein: Enemy Territory.
84
The FlightGear organisation
10,897
Open source
Open-source, multi-platform, cooperative flight simulator development project.
Spoonbill Software
12
Freeware
Fires a shot at the enemy's Ocean grid, trying to hit one of the enemy ships.
Firaxis Games
432
Commercial
XCOM: Enemy Within is the expansion of the strategy game XCOM: Enemy Unknown.
Falco Software Company
Freeware
This is a game about how you need to repel enemy tanks of the enemy.
65
Nifflas
22
Freeware
Traveling through space, the UFO flies into a meteor and crashes on a planet.
1
SB-Software
21
Shareware
Astro Hunter 3D Deluxe - Throw nuclear weapons to asteroids/UFO.
Sean O'Connor
55
Shareware
Fly your UFO to collect the crystals.
75
MicroProse Software, Inc
2
Commercial
X-COM: UFO Defense brought you to a galactic battlefield.
Cyborg Software
1
Control your Earth Balls and UFO Ship to defeat the aliens Breakout style!
AidemMedia
270
Commercial
Reksio and the UFO an adventure game fully illustrated.
86
Novel Games Limited
8
Freeware
In this game UFO's will appear and kidnap the citizens.
