Half-Life: Invasion
2003
About
Invasion is a singleplayer modification of the famous game Half-Life. But a lot of innovations have been added. Among the most important new features, there are 44 maps, 12 new weapons (infrared gun, flame thrower etc), 2 new human enemies, a tank that you can drive, an entirely renewed protective suit and multiple subtitles.
Available on
PC (Microsoft Windows)
