PSA: Mods tools for Civilization V released on Steam
Those interested in mods and play Civilization V can get get tools for the Firaxis Games-developed game now via Steam.
Using the Steam client, you can download the items via the the Tools sub-section of the Library menu.
Tools include WorldBuilder, the Lua script IDE, ModBuddy, and the Nexus art importer.
There's also a Civilization V Wiki now available which also provides information on mod tools and how to make mods for the game.
Thanks, BigDownload (via CivFanatics).