1. Pokémon Diamond & Pearl – 2,316,551 connections
2. Animal Crossing: Wild World – 389,543 connections
3. Pokémon Battle Revolution – 321,820 connections
4. Mario Kart DS – 320,544 connections
5. Metroid Prime Hunters – 243,274 connections
6. Mario Strikers Charged Football – 206,454 connections
7. Dragon Quest Monsters: Joker – 107,495 connections
8. Jump! Ultimate Stars – 100,555 connections
9. Transformers: Autobots & Deceptions – 78,615 connections
10. The Legend of Zelda: Phantom Hourglass – 70,352 connections

Wow! Pokemon Battle Revolution only made it to the 3rd spot. I do have 3 of those 321,820 connections