Great Citadel of All Difficulties

What is The Great Citadel of All Difficulties?
The Great Citadel of All Difficulties is an Ascension Based Great Citadel by mamiotisebi, tyronosourus, HAYLERO and TheFullLegend7016456

This contains all difficulties from 4d9r's all difficulties game. (and more games ) Not much is known about it.

Play it here.

Music:

Skip Gost Behemoth

1-3 Initial D - Deja Vu

4-9 Wii Shop Remix

10 Wii Shop Channel Wii menu

19 Kirby: Triple Deluxe - Royal Road

20 Tension Rising Kingdom Hearts II Music Extended