Alexander Barnfield and Jakub Majewski
1
Freeware
Unknown Enemy is a fan made add-on for Wing Commander: Secret Ops.
Falco Software Company
8
Freeware
After working for decades in the special forces, I retired.
Firaxis Games
432
Commercial
XCOM: Enemy Within is the expansion of the strategy game XCOM: Enemy Unknown.
Gamesare Studios
5
Freeware
-8 full missions: defence, rescue, treasure hunting and more.
18
GentleSecurity
47
Freeware
GeSWall is an intrusion prevention system that is non-intrusive and easy to use.
2
OpenXcom Developers
151
Open source
It is an open-source clone of the original UFO: Enemy Unknown game.
Boomzap Inc
19
Shareware
You can test your wits as you navigate through lush forests and villages.
5
KraiSoft Entertainment
444
Shareware
You have to fight against a cyborg army which prepares to launch an invasion.
1
Firaxis Games
772
Commercial
XCOM 2 is the sequel to XCOM: Enemy Unknown, strategy game.
Long War Studios
49
Freeware
Long War is a free mod for the 2012 game XCOM: Enemy Unknown.
1
xehonk
7
Freeware
It is an overhead view shooter in which you are caught in an unknown enemy base.
MyPlayCity, Inc.
40
Freeware
Set the town free from an unknown enemy in this first person shooter.
Falco Software Company
8
Freeware
Peaceful lands are invaded by an unknown enemy.
Falco Software Company
4
Freeware
The commander, our ships, met a new unknown enemy in the galaxy.
Falco Software Company
Freeware
An unknown enemy turned everyone who was on the space station into cyborg zombies.
Spoonbill Software
12
Freeware
Fires a shot at the enemy's Ocean grid, trying to hit one of the enemy ships.
Falco Software Company
Freeware
This is a game about how you need to repel enemy tanks of the enemy.
47
mv2.czweb.org
6,371
Freeware
Mv2 player is a freeware multimedia player for Windows, very small and freeware.