This seed is a great survival island.
This seed has a mountain that looks like a chuck error.
This seed spawns you on a mushy island with one seed.
This seed has hollow mountains and a blacksmith with 3 diamonds.
This seed has fantastically large mountain formations and every kind of biome.
Seed: Ezio Auditore
Unique mountain formations and again, every biome diamonds.
Seed: Donkey Kong