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

6votes
No rain in savannah and desert rivers
13votes
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
11votes
Lakebed biome
8votes
Nether Biome: Foul Bog
5votes
Changing Biome Mechanics/Generating biomes with rainfall map
5votes
Cold Blue Netherwart Forests
13votes
New Hot Biome: "Tropical Wetlands"
12votes
Nether biome Magma Fields
13votes
Nether Portal Corruption
8votes
Toxic Badlands
7votes
The Future
13votes
The Flaming Sea (Nether Update Biome)
3votes
new dimension: Ice & fire
2votes
The Nether jungle
10votes
Obsidian Spikes(nether biome)
12votes
Land of the Lost (Nether Biome)
3votes
Nether biome name change
2votes
Parrots and Gravel Mines
5votes
Mushroom Biome Big Update
3votes
Bargona biome in nether
10votes
The Wither Caverns
2votes
Purple Haze biome
6votes
A Secret Dimension
5votes
Bee dimension
7votes
Charcoal Forest, Crisps, Temple Of Embers
2votes
Inferno Biome