This is two Giant Ball, made by TNT! In this costum map, there is a lever (with redstone) and two rooms, one is protection room and the other room is a "GameMode Room". The lever is inside the protection room . You can choose gamemode (only Survival or Creative).

WARNING!

This can crash Minecraft if you don't have a high graphic card!

Make sure that you have 64/86 bit of java, not 32

Download Java 64/86 here!

How to install (Windows):
1. Download this file
2. Make sure that you have WinRar
3. Open start menu and type %appdata%
4. Open .minecraft/saves
5. Open the downloaded file with WinRar
6. Drag the folder named "TNT" into the  saves folder
DONE!

How to install (Mac)
1. Download this file
2. Open finder
3. Go to library/Application Support/minecraft/saves
4. Extract the downloaded file with UnRarX [Download]
5. When you have extracted the file, drag the folder "TNT" into saves
DONE!