Creator's Youtube channel: www.youtube.com/user/JDMxBROTHERS?feature=mhee
He told me that people were requesting for testing worlds. Here are some download links.
This is his first attempt on making a survival map and he says that he will make many more in the future.
FlatStoneWorld: adf.ly/3pKZk
FlatGrass: adf.ly/3pKcj
Flatsand: adf.ly/3qFBl
Rules/Challenges
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1.) Don't Die
2.) Play on normal or higher.
3.) No Mods
4.) Make a tree farm.
5.) Make a mushroom farm.
6.) Make a cacti farm.
7.) Make a wheat farm.
8.) Make a mob trap.
9.) Make a two story house out of wood.
10.) Make a house out of stone(not cobblestone).
11.) Own three stacks of bread at one time.
12.) Post comments below on how you did and send me a link to your video if you make one on this map, and if it's good I'll post it on JDM's Youtube channel page.