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

13votes
Make the new Nether Trees grow from the Ceiling as well.
13votes
Deadlands Biome
13votes
Diverse ores
13votes
Flower Biome should be less rare to find
13votes
'Shattered' mountains variant for every biome in the game
13votes
Underground Forests
13votes
War Ravaged Biome
13votes
Biome Variation (beach): MARSHLANDS
13votes
Giant Caverns Update
13votes
"Edge" biomes like Jungle Edge should be larger
13votes
A More Realistic Desert
13votes
Dead Sea biome
13votes
New muliti biome
12votes
Better Birch Forests
12votes
Nether biome Magma Fields
12votes
Land of the Lost (Nether Biome)
12votes
Biome: Elephant Grassland
12votes
Making every biome relevant! (Specialize plants)
12votes
Biome: Sanctuary
12votes
The Forgotten Biome
12votes
Nether Wart Field
12votes
Cave Forest
12votes
Desert flood plains
12votes
Chaparral Biome
12votes
New Dimensions, Elder Stone, Elder Golem! New Boss Fight!
12votes
New World Generation Option
12votes
River biome: Topography
12votes
Lavenders fields
12votes
Make a biome that rains all the time
12votes
The Mythos Dimension – Above Ground World Generation