You're stranded in a minecraft word that's only 1 block thick, you have several challenges to complete. READ RULES AND CHALLENGES!!!

Rules:
-You can break/build as many blocks as you like
-Do not make a bridge to the mainland!
-IMPORTANT!!! Do not break the bed at your spawn otherwise you won't be able the respawn when you fall off
-Read challenges for more fun!
-Do not use creative to fly and check for ores
-You may use 3rd person view for a different experience
-Play on at least easy difficulty

Challenges:
1. Make a platform with dirt at least 20 by 20
2. Make a full set of iron armor
3. Dig down to bedrock
4. Make a shaft mine under lvl 20
5. Make a wheat farm
6. Find both edges of the 1D world, the far edge contains a bonus chest!
7. Find the zombie spawner that's near the spawn
8. Make a mod grinder (easiest with the zombie spawner)
9. Find diamond ore
10. Find the snow and Jungle biome (Check F3 for biome info)
11. Create a house out of stone bricks at least 30 blocks high
12. Make 20 bread
13. Make your grass platform big enough for mobs to spawn
14. Breed at least 5 mobs (doesn't matter if it are cows chickens sheeps or pigs)
15. Make 2 iron blocks
16. Make 1 diamond block
17. Make 1 gold block
18. Go to the nether
19. Make full gold gear (tools + armor)
20. Make a small roller coaster
21. Make a castle with at least stone (cobble, bricks, smooth) wood, wooden planks. The castle needs to have:
-4 or more guard towers
-A wall at least 4 blocks high
-A gate entrance
-A armory
The size of it doesn't matter
22. After all challenges are done create a bridge with stone bricks to the mainland

Feel free to add challenges yourself.
When using this map on youtube I thank you for doing so.