Dream Kingdom is a ROM hack created by Domenic1407. This is an unfinished hack that was included in the SirRouven1003's Hack Pack. Currently, this hack is only available in German.
There are two versions of this hack in circulation, both of which are available to download on this hack's RHDC page. Each version has a different custom level included in it; the first version contains the level "Very Small Village", and the second version includes "Shy Guy Desert".