The 0.8 series introduced significant overhauls to the game's core mechanics:
: Steam will automatically begin downloading the latest experimental files. Key Features in the v0.8 Build Era download-grey-hack-v0-8-4484exp
: Type the code nightlybuild into the private beta box and click Check Code . download-grey-hack-v0-8-4484exp
To download and play specific experimental versions like v0.8.4484exp, you must opt into the beta branch through the Grey Hack Steam Library : : Go to your Library and find Grey Hack . Properties : Right-click the game and select Properties . download-grey-hack-v0-8-4484exp