Help with iPod nano?

I have an ipod 3rd gen NANO, its blue, i cannot play a game(Phase) that i downloaded?! help please?

• i have an IPOD NANO 3rd GEN, it is blue and holds 8GB; there is still about 7GB left to store stuff -i downloaded Phase for my ipod, ive synced multiple times - but the game will not show up on my ipod -when ipod is plugged in it is not under the list in the ipod -the phase playlist was still auto matically created -a tv show i downloaded earlier also will not go onto my ipod -this ipod is basically BRAND NEW(about 3 months old) and in very good condition -ive read the apple support, it doesnt help much -my itunes & ipod are updated to the recent updates and whatnot how do i put the game on my ipod?

• Answer:

  If you got the game off of one computer and then plugged it into another computer it wont let the game work!