Meta Package "nether"
Adds a deep underground realm with different mapgen that you can reach with obsidian portals.
Fight monsters, collect XP, craft battleaxes, armor, guns and lots more.
game including a wide (and growing) variety of mods, both ours and 3rd party
Wilhelmines Living Nether
Adds various creatures to your Nether.
Add monsters and dragons to your nether world.