There're many changes since the last version of this MOD. There're new weapons, many bug fixes and a extension (FireFight), wich allows you to play the map mp_tank_oe in CoOp mode against bots. Read the complete ChangeLog by clicking on the "Read More..." Link within this article.
Download Obsidian Edge - Patch v1.1
Obsidian Edge MOD Homepage
Obsidian Edge MOD - Patch v1.1 released