In the note distance game, when the current level of the pyramid includes 21 trials, there are 10 different intervals to choose from.
Sometimes, however, an extreme compound interval is played between one of the lowest notes and highest notes in the playable range.
I'm not sure if this is the case every time, but I've noticed several times that not a single one of the 10 selectable intervals is accepted as an answer, so you are forced to keep getting it wrong until you slip back to the previous level of the pyramid (this could be 21 times in a row).
Also, when very low notes are played, it seems to be too low for the sample used, because it's very difficult to distinguish the correct interval and I have to click by trial and error. The result usually sounds wrong.
In the note distance game, when the current level of the pyramid includes 21 trials, there are 10 different intervals to choose from.
Sometimes, however, an extreme compound interval is played between one of the lowest notes and highest notes in the playable range. I'm not sure if this is the case every time, but I've noticed several times that not a single one of the 10 selectable intervals is accepted as an answer, so you are forced to keep getting it wrong until you slip back to the previous level of the pyramid (this could be 21 times in a row).
Also, when very low notes are played, it seems to be too low for the sample used, because it's very difficult to distinguish the correct interval and I have to click by trial and error. The result usually sounds wrong.