Are you looking for an interesting yet progressive experience?
Vorps 2 brings the feel of the original Vorps Medieval pack but better, with new and existing mods including Mystical World's Animals and Plants, and Tinkers Construct's multiple ways of utilizing metal and other materials.
It also includes:
Magic mods such as Thaumcraft 6's making use of Vis Crystals to create magic objects, Roots' Nature based Magic, and Electroblob's Wizardry.
Tech mods such as Immersive Engineering, Immersive Petroleum, and various Immersive addons.
Village mods such as Millenaire, a mod that adds 7 early civilizations and Ancient Warfare for it's NPCs, Structure Generation, and Various Machinery.
This pack needs at least 6-8 GB of RAM allocated.