Updating a two and a half year old game isn’t too common and when it happens it is normally just bug fixes. This is not how Valve works. They like to toy with the players and hide stuff in their games for people to find. Yesterday a mysterious update went live that only seemed to add a Steam achievement. This achievement requires you to find 26 audio transmissions that players could listen to via in-game radios.

Kotaku complied a large list of these findings. Nothing stands out as insetting, really only odd. Some of the audio transmissions are Morse Code and others translate into images having to do with the game.

Today, another update when live which so far only has a different ending that isn’t too different than the original. What does Valve have up their sleeve? Here is the video of the new ending: