There seem to be many people that aren’t aware that you can add games to your iPod Nano (3rd generation) or iPod (5th generation). The Apple supported way is as follows.

1. Open the iTunes Store in iTunes.

2. Click the iPod Games link on the left store menu.

3. Select the game you want to add and click Buy Game.

4. Select your iPod nano on the left menu list and click the Games tab.

5. Select Sync games.

6. Click All games.

7. Click Apply.