Total Annihilation: The Core Contingency/Maps/Green Planet

Cavedog Links CC
Description: 25x24 Keep your Kbots on the trails.

Expanded Confluence
Description: 22x22 More room to rumble on this old favorite.

Plains and Passes
Description: 20x20 Large map with lots of metal.

The Barrier Reef
Description: 19x19 Body of water separates two land masses. Great underwater starts!