you need to download a special mod called "mystic mod", wich is essentially a complete rewrite of the game with the features added
New features that i know
- Trash cell- Enemy Cell but it doesn't die
- Sandbox/editor mode- its an editor mode
- More levels- Need I say more?
- You know what? Bam!(7828) Mystic Mod 3: A Cell Machine Editor / Sandbox - YouTube. Take THAT!