PicoCraft is a Popular game of hiberworld mining ores and ki11 all hostile mobs and defeat a boss battle. also you can climb the mountain first.

Red Hostile Mobs - they're are very fast and easy to ki11

Yellow Hostile Mobs - they're flying but they're much faster and annoying

Rust Hostile Mobs - he's giant and he can mine tree's, ore's and snow

Also the Yellow Hostile mob can be hiding on the tree's. Red Hostile Mobs are climbing and following at you. Rust Hostile Mob's can jump really higher and attacking you he also climb mountains just like the Red Hostile Mobs.