A free version of Portal 13.13.1115.1551 can be found on our software library. This game is designed to work with Windows XP/Vista/7/8/10/11 32/64-bit.
The most frequent names of installation files for the game that can be found on our software library are: portal2.exe, 1CAMP.exe, PortalPlus.exe, Portal_high_priority.exe and Portal_Launcher.exe, etc. This game can work with ".vst". Portal refers to Games, according to its main functionality.
Falco Software Company is the developer of this game. Our antivirus system always checks the downloadable files for malware. It scanned Portal and reported that it is clean to use. According to the information on our software library the most popular versions of this game are: 13.1, 2.0 and 1.5.