No, yo need MCedit to make a flat area.
There is no seed for "flatland." If you mean a flat world, you can switch to the flat world setting in the world creation settings. If you know there is a "flatland" seed you should specify what you mean.
flatering
go into world options and then check superflat.
it not flat at all but jpgaming is a good seed with diamonds hidden
Pokemon on Minecraft is a mod, not a seed. Search the Minecraft Forum.
There is no moon on minecraft.
I have found a jungle seed for minecraft 1.2.4 the seed is innotchesname no caps and no spaces
The Minecraft PE seed with a big ocean is -839019905251343089 .
It isnt a seed, you have to download it.
just look at the minecraft seed list by googleing it by typin "What are the dungeon seeds for minecraft?" hope this helped
If cheats are enabled in your world, do /seed to find your seed.
Every Minecraft seed is capable of producing dungeons. Seed 19981012 is a known seed that spawns you directly next a dungeon on the surface. Some seeds have more dungeons then others, you will just have to hope that you randomly get a seed that has a lot of dungeons.