Half-Life INVASION 1.1

INVASION is a single player modification of the famous game Half-Life.

Main features:
- 44 maps: 5 levels of about 10 maps each.
- 16 weapons, including 12 new (infrared gun, flame thrower, sniper rifle, etc.).
- 2 new human enemies (rocket launcher soldier and sniper) and 2 new alien monsters.