Yes
You can use a external hard disk on transferring a game from one computer to another.
NO it is a computer game!!
Play the game
Minecraft
if you download the wrong minecraft that is the 1.2.3.4.5.6.7 0.37
Yes, actually minecraft first came out on computer
MMMIIINNNEEECCCRRRAAAFFFTTT!!! (minecraft!)
Minecraft or terraria
yes but you have to pay for it
Yes it is. go to minecraft.net
19.99 euros
Well, you need the game 'minecraft' which does cost money. Pixelmon is just a mod for the game 'Minecraft'.