Yeah, that's what I guess too! So, Theatrhythm sold twice as many as Heroes of Ruin. Of course this means Rhythm Thief and Heroes of Ruin bombed since Theatrhythm sold like 70k or 80k copies.
Heroes of Ruin = 35k or 40k
Rhythm Thief = 8.75k or 10k
If Theatrhythm sold 70-80k, wouldn't that put Rhythm Thief at more like 11.5-13.5k? (Not a huge difference, of course, but still.)