The gathering21upgrade.EXE file you have requested: Modifications / Other Mods / Gathering 2.1 (Upgrade) - 1.03mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
I wanted to redesign the rune system to make it more robust. I wanted to have a multi-tier rune system that would allow players to have more then one rune. I tried to balance out all the runes into three catagories Runes, Power-Ups and Blessings.