How to PLAY in (ROLIDAY RUMBLE) (SECRET MAP) in Roblox Tower Heroes

There is an error my sister said
Start the code after the Black Screen :)
Thank you so much for the game Tower Heroes
Scripter: Smellysuperfart (@SmellyRBX)
Builder and 3D Modeler: HiIoh @Hiloh
Music and Builder for some maps: Radical_Box (@RblxRadical)
WendellWhaeyne3
WW3 Tower Heroes
NewBeeWW3
HeadTurnerWW3
#towerheroes
#towerdefensegame
#roblox
ROLIDAY RUMBLE