Vs. Mega Bowser

Vs. Mega Bowser is the de facto name of the Vs. Mega type of bonus challenge in Mario Kart Tour. Individually, it can refer to either one of the following Vs. Mega bonus challenges:
 * The Vs. Mega Bowser bonus challenge set on Paris Promenade.
 * The Vs. Mega Bowser bonus challenge set on London Loop.
 * The Vs. Mega Bowser bonus challenge set on Paris Promenade 2.
 * The Vs. Mega Bowser bonus challenge set on Los Angeles Laps R/T.
 * The Vs. Mega Bowser bonus challenge set on SNES Mario Circuit 3T.
 * The Vs. Mega Bowser bonus challenge set in SNES Vanilla Lake 1.
 * The Vs. Mega Bowser bonus challenge set on SNES Koopa Troopa Beach 2.
 * The vs. Mega Bowser bonus challenge set in GBA Bowser's Castle 1.
 * The Vs. Mega Bowser bonus challenge set in GBA Bowser's Castle 2.
 * The Vs. Mega Bowser bonus challenge set on 3DS Toad Circuit.