the_planes is a good seed it is not totally flat but u spawn in a flat area
Hiroshima is a flat terrain.
The terrain in Illinois is primarily flat.
they like a flat terrain like a platue
flat
Mostly flat.
Flat
flat
There is no such seed, as seeds affect the terrain generation and not the spawning of mobs.
Flat.
flat
flat
The Bahamas has a very flat terrain similar to Florida and other Carribean Islands.