On our software library, you can find a free download of Portal 13.13.1115.1551. It can be installed on Windows XP/Vista/7/8/10/11 32/64-bit. The most popular versions of the game are 13.1, 2.0 and 1.5.
Our antivirus system always scans the software for malware. It scanned it and reported that it is 100% secure. The most widespread installation file names of the game are portal2.exe, 1CAMP.exe, PortalPlus.exe, Portal_high_priority.exe and Portal_Launcher.exe etc. This game works with such file as ".vst". This game is related to Games, according to its main purpose. Falco Software Company is the developer of it.