On the minecraft forums I found a post asking for someone to make a survival island. This is it;
Challenges:
1. Make a house
2. Make a mine
3. Get a stack of brown mushrooms
4. Get a stack of red mushrooms
5. Get a stack of reeds
6. Get a stack of cacti
7. Make a tree farm
8. Make a slime farm
9. Make a cake
10. Tame Rikh's wolf
11. Find all 3 of Rikh's diary pages
12. Expand the island
13. Make a rollercoaster from a challenge sign to the start
14. Make a fall trap at a mob spawner
15. Make a fire trap at a mob spawner

Additional Notes

This map might be updated at some point for 1.2