The Undergrounds is course 6 of Super Mario 64 The Missing Stars. To enter the Undergrounds, Mario must enter the warp pipe located on the ground in Outside City Area. This section of the city is a very small underground tunnel which contains many traps, particularly ones made of fire. There are two branches of the Undergrounds which both have a purple "!" switch that activates stars along with a small outlets that contain red coins and many Kuromames. The only difference between night and day is the two NCPs and the star the switches activate. In the day, these NCPs inform Mario about how the functions of the switches differ between morning and night and a tip about the 100 coin star in the next level. Aesthetically, this area is also slightly darker at night, but there are no additional