Please read the pinned post on creating biomes and dimensions. Please put items for the new Mountains and Nether Updates in their proper categories. Remember portals are structures, that includes Nether portals.

Vote for an existing idea or New post

7votes
Super Biomes
3votes
Magma Mushroom Plains Biome (Nether)
7votes
(Nether) Glowing Plains
8votes
Magnolia biome
6votes
Nuclear Geyser Biome
24votes
The Beginning (New dimension)
4votes
Crying Mountains Biome
5votes
Underwater mountain biome
8votes
Nether biome Ghast Forest
9votes
Lava Beach Nether Biome
11votes
Ender jungle
5votes
Flameing Spikes Biome (Nether Update)
7votes
Dry Tundra Biome
14votes
New Demension: Wyvernex
8votes
Shattered Savanna Biome Parity
8votes
Rivers In The Nether (Prevents Shriveling. Nether Update)
4votes
under the lava
8votes
Redstone Dimension
19votes
Magma Spikes Biome (For the Nether Update!)
9votes
The withering dephts
3votes
Stone Jungle (biome)
6votes
No rain in savannah and desert rivers
12votes
Rain Forests (Jungle Variant)
12votes
Better Birch Forests
19votes
Basalt hills biome for nether update
8votes
Soul streams absorbed by sand [Nether Update]
9votes
Yellow mushroom biomes and yellow mushrooms
10votes
Lakebed biome
8votes
Nether Biome: Foul Bog
5votes
Changing Biome Mechanics/Generating biomes with rainfall map