1. [NDS] Pokémon Diamond & Pearl - 1,455,526 connections
2. [WII] Guitar Hero III: Legends of Rock - 622,580 connections
3. [NDS] Animal Crossing: Wild World - 268,796 connections
4. [NDS] Mario Kart DS - 242,202 connections
5. [WII] Mario Strikers Charged - 155,239 connections
6. [NDS] Metroid Prime Hunters - 154,945 connections
7. [NDS] The Legend of Zelda: Phantom Hourglass - 126,388 connections
8. [WII] Pokémon Battle Revolution - 88,287 connections
9. [NDS] Pokémon Fushigi no Dungeon Toki/Yami no Tankentai - 86,818 connections
10. [NDS] Jump! Ultimate Stars - 86,588 connections

Link