Really I love this!
You can try duplicate player and change him controls to other (if player have wsad, player 2 have arrows)
If I do not help sorry, I do not know this engine
This game looks cool. This is Local Multiplayer? If not can you make? What engine you use.
EDIT: Ok you using Pygame ;D
Added New Graphics.
Added Main Menu.
Changed Skin Select Screen.
Upcoming update: Building Update
Added New Animal Skin.
Added Simple Player Animation.
Added Place Block Sound.
Upcoming update: Graphics Update