ETC2 is a single player mod made by DaveJ for Half Life. Set within the Half Life universe, it brings back Gordon Freeman to fight against aliens, zombies and soldiers.
These are the source maps for ETC1, which were kindly released by Dave J.
I've had people asking "where is ETC1?" so I decided to upload it here, rather than create a separate MODDB listing for it. ETC1 is sort of a "chapter...
DaveJ released the source files for ETC2, so that mappers could modify the game. What are you guys waiting for? Port the maps to the Source engine! :D
This is the full install of ETC2. Just run the EXE program to install it!