In terms of stuff you pay for, Shootanto is going to be totally overshadowed by Pokemon Rumble. DSiWare has a decent selection of games, including something that looks kind of like Defend Your Castle, a few card games, and myNotebook.
- Pokemon Rumble (WiiWare, 1-4 players, 1,500 Wii Points)
- Shootanto: Evolutionary Mayhem (WiiWare, 1-2 players, 500 Wii Points)
- Army Defender (DSiWare, 1 player, 200 DSi Points)
- A Little Bit of ... All-Time Classics: Strategy Games (DSiWare, 1 player, 500 DSi Points)
- myNotebook: Blue (DSiWare, 1 player, 200 DSi Points)
- Uno (DSiWare, 1-6 players, 500 DSi Points)
- Demos: Pokemon Rumble, World of Goo (free)