User:Diskersen2/Hidden Steam games

This is a list of video games and demos that are available but hidden from the Steam store.

You need to insert steam://install/<Steam app ID> (Windows/OS X) or app_install <Steam app ID> in your browser to install the hidden application. It will ask you if you want to "Launch Application", that application being Steam. You can use SteamDB to find the correct Steam app id.

You can also do this by openening the Windows’ “run” dialogue box which can be acessed by pressing the Windows key + R.

Some of the older applications might not be compatible with Windows 10 while others might have been remove due to technical issues and/or bugs.

Games

• Codename: Gordon (Install with steam://install/92). Perhaps one of the first and best known 'hidden' Steam game.
• Spacewar (Install with steam://install/480).
  • Thousands Of People Are 'Playing' A Hidden Steam Game
• Haunted Memories (Install with steam://install/241640).

Unplayable multiplayer-only games

• Dead Island: Epidemic (Install with steam://install/222900). Servers were shut down on October 15, 2015, game can't be launched without server connection.

Demos

• Colin McRae: DiRT 2 (Install with steam://install/44300). You have to download and extract the replacement xlive.dll in order to make the game work.

Unplayable

• Elf Bowling: Hawaiian Vacation (Install with steam://install/15992). Just like every other MumboJumbo game removed from Steam, the demo refuses to launch
• The Office (Install with steam://install/15942). Just like every other MumboJumbo game removed from Steam, the demo refuses to launch

Multiplayer

• Dying Light (Install with steam://install/381570).

Significant performance and/or technical issues

• Pathologic: The Marble Nest (Install with steam://install/607730), also known as Pathologic Demo or Pathologic 2 demo. It's considered a spin-off title and an alpha demo of Pathologic 2. Many people report of poor performance and technical issues, which likely explains it's removal