Very powerful level creation addon made by melex750 for Colobot Gold 0.1.7b, but it works on newer versions like 0.1.12 or 0.2. Click "Read more".
With this userlevel you can:
Apply a relief.png from your userlevel or use the one provided.
Randomly plant hundreds of trees in seconds.
Place bots, buildings, etc.
Export text files with corresponding "CreateObject" commands,
which can be #Included in scene.txt for your userlevel.
Instructions on your SatCom and in ReadMe.txt.
Link to original topic. Creator is melex750.