I'm going by this Gamespot story and this image: I'm pretty sure this is new, (Article dated Feb 8 '07) And I'm pretty sure I'm excited. Although given that the tidal pool stage lasts only 20 minutes, it may be quite short.
Hrmm... "Tetris" is probably just a generic word meaning "puzzle game" in that context... Remember, these are the people who claim to have invented "procedural programming..."
The mark is abused probably because English has no direct translation of Japanese "ochimono" that isn't too long to fit in the table.