Build The Dream is the 160th purchasable stage of Piano Tiles 2. It is unlocked by 15 Diamonds. It has the most consecutive double tiles in the entire Piano Tiles 2 (52 consecutive double tiles).
All of the birthday songs don't increase or decrease the speed, but this song does! It increases after the double tiles in the first star [to 4.33 TPS].
The current world record is 8711 by Glory YT!