2m+ for Mario Kart 8 seems really high to me. Mario Kart 7 is currently at 2.7 million, brand new game (as in, not a port) and on 3DS. Eventhough Switch is the 3DS successor and many people dropped MK8, still seems high. 150k for SF2 also seems high considering the price, 5k yen.
Somewhere along the past few weeks, we went from severely underestimating MK8D to maybe overestimating it.