Valve have recently updated portal with a new achievement called 'transmission received', originally confused about how to get it, gamers soon found out that radios were to be taken to special spots in each level to hear a transmission that had to decoded externally by special programs or morse code and HEX, these sound files were found to contain image data and phones numbers when examined on PC, could this be the start of an ARG and more info on EP3 or Portal 2? More on this in the source.

Valve's brilliant first-person puzzler Portal has just been updated. Not normally a big deal, but when that update adds a new, mysterious Steam achievement and some hidden radio transmissions and this is Valve we're dealing with, we're right to be curious.

Today's Portal update, officially, features the following addition: "Changed radio transmission frequency to comply with federal and state spectrum management regulations." Not officially noted there is the new Steam achievement "Transmission Received" which goes undescribed by the developer, but involves the use of Portal's in-game radios.

Also included, as spotted by Steam forumgoers are a bunch of new sound files, all prefaced with the word "dinosaur." According to members there, those sound files feature Morse code encoded transmissions.

Onvacation via kotaku.com »