This was originally designed to be an extra feature exclusive to the Sega Dreamcast version of Half Life. When the Dreamcast version of Half Life was cancelled due to the poor sales and impending death of the Dreamcast console, the game's makers, Valve and Sierra decided to release the Half Life: Blue Shift as add-on for PC version of Half Life instead. If you go into the security office near the pistol range and activate the monitors, you can see Dr. Green (from Half-Life: Decay) pushing t ...[Read Story ]