Im worried about Splatoon in USA.

[Skullwaker]

Dr.Vita said:
500k+? Are you kidding me? 

Pikmin on the GCN sold .78m in NA. And that's a way more niche game than Splatoon could ever dream of being. Also, Animal Crossing on the GCN sold 1.92m in NA. Both new IPs, like Splatoon. It's not improbable to think that it could reach 500k LT in the US.