I randomly found this seed 100% legitly when I made a new world, please tell me of any bugs or problems you encounter on this. also if you want the raw world I posted the level seed.

Challenge List:

1. Make a fireplace out of bricks
   
2. Make a big sucessful farm (atleast 100 wheat)
   
3. Make a cobblestone generator (in or next to your house)
   
4. Make a treehouse
   
5. Build a portal to the nether
   
6. Make a auto-harvesting sugarcane farm
   

want more challenges? If you have any ideas for some pleaese leave a comment :D

*Thanks and enjoy*