For better graphics check "interpolation" to false;
Minecraft Engine include:
1.Cube
1.1 Texture
1.2 Radius
1.3 Removing from map
1.4 Adding to map
2.World
2.1 Adding model to world
2.2 Drawing world
2.3 Load world from .txt file
2.4 Save world to .txt file
3.Simple collision(not good and not bad)
4.Movement
4.1 Walking-jumping
4.2 Flying
5.Shadow and light system
6.Simple GUI
7.Minor bug-fix
End User Licence Agreement (EULA).