Yume 4
A modpack for a little more of a challenge, with automation such as "Create" and "Applied Energistics"; ranging from steampunk to more furturistic. There is an overloading amount of mobs, from friendly pokémon to evil giant crabs.
Features
-Relics and Artifacts to boot your power
-Security to protect your rubbish
-Cars, Planes and Trains
-Cool Terrain for sight seeing
-10+ Dimensions
-Vampires (don't get bit)
-Dungeons (there really cool)
-Currency to sell to others (oh, all alone?)
-More Blocks, chairs and stuff to build cool house
-Very cool kamera
-Food to shove your face with
-Sleeping bag
-Pokémon badges and case
Diffficult Stuff
-Seasons (Save for winter)
-Need to consume food and water
-temperature (you gonna die)
-Each eye for the end portal is different, to open it
Bonus
-Shaders
-Map (with land claims)
-Zoom (your blind)
-Jade (tells you what it is, when looking at it)
-EMI (shows crafting recipes)
-AppleSkin (show how much food give you without eating)
Note: This isn't exactly everthing.