Unlock All Areas
Create a new profile called "AccessAllAreas" or you can add the following line
to your preferences.txt file:

UserProfile = AccessAllAreas



Map editor and mod player
Place "ModSystemEnabled = 1" in your preferences file of the root folder of
Darwinia.Start up game and hit escape, there will be a new menu item called
MODS.

Unlock MODS and Map Editor
Complete the game.