Download of Half-Life INVASION 1.1.1.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is Petrick.
Half-Life INVASION was developed to work on Windows XP, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems. The following versions: 1.1 and 1.0 are the most frequently downloaded ones by the program users. The program lies within Games, more precisely Action. The default filenames for the program's installer are Half-Life 1.exe, hl.exe or Steam.exe etc.
From the developer:
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.
You may want to check out more software, such as Silly Invasion, Dark Archon - Invasion - or Evil Invasion, which might be related to Half-Life INVASION.
Action
Arcade