Introducing... Hmm! This mod adds exactly what you'd expect; Hmm. You can find the new Hmm Ore and mine it to drop Raw Hmm which can then be smelted into Hmm which can be crated into Hmm Block which can be crafted back into Hmm. That's the whole mod!
Features:
-Hmm
-Hmm Block
-Hmm Ore
-Raw Hmm
