Test Chamber 74

<font color="#ff33cc"><i>Half-Life 2 maps in game Portal. For Portal-Life you should have the following games: Half-Life 2 and Portal. Now easy installation. Put all files from archive in the directory of your game Portal. Select self ...

This is a map pack for Portal. P.S.: Sorry for my English. https://gamebanana.com/mods/141341 https://www.halomaps.org/portal/detail.cfm?fid=33

SS_OrangeBox ReadMe SS_OrangeBox is a map created by SneakySoft, for the game Portal. Since there is no official SDK released for Portal, I created this map with Half-Life 2 Singleplayer Hammer. If you want to take a look at how I create...

from Poppy Playtime Chapter 4: Safe Haven, also has a custom flashlight sound and pattern. current footsteps: Concrete Wood Metal Metalgrate Dirt Mud Grass Duct Portal maps Sound Footsteps

Map supports both LDR and HDR lighting. I accept no responsibility if this map destroys your computer or anything else in any way. You are free to put the map on a disk and distribute it via public restrooms. The map uses Place the M...

<font color="#ff33cc"><i>Half-Life 2 and Episode One and Episode Two maps in game Portal. For Portal-Life Total you should have Half-Life 2, Half-Life 2 Episode One, Half-Life 2 Episode Two and Portal. Now easy installation. Put all fil...

<font color="#ff33cc"><i>Episode One and Episode Two maps in game Portal. For Portal-Life Episodes you should have Half-Life 2 Episode One, Half- Life 2 Episode Two and Portal. Now easy installation. Put all files from archive in the di...

SS_OrangeBox ReadMe SS_OrangeBox is a map created by SneakySoft, for the game Portal. Since there is no official SDK released for Portal, I created this map with Half-Life 2 Singleplayer Hammer. If you want to take a look at how I create...