Games That Were Suppose To Sell Very Well/Huge, But Failed to Do So? (Devs+Publishers Expectations, not Fans)

[Skullwaker]

Boutros said:
Maybe a little in Japan (although releasing one year after the DS version wasn't smart at all) but I'm pretty sure it exceeded expectations in the west by quite a lot.

Looking at the numbers, it seems like it performed really well in the west. Kinda reminds me of Xenoblade in that sense.