does this count as a creative work? im not entirely sure but whatevs, using mario builder 64 i made some levels based off of the beta kids's houses, check em out i'm pretty proud of them! (especially the dave level that one is my favorite)
(John's House) https://levelsharesquare.com/levels/682ff7006ed79114a7186491
(Rose's Observatory) https://levelsharesquare.com/levels/682ff7a66ed79114a71868b3
(Dave's Apartment) https://levelsharesquare.com/levels/682ffdeb6ed79114a7188957
(Jade's Island) https://levelsharesquare.com/levels/682ffef36ed79114a7188f6a
this is actually pretty awesome keep going, level design is an art of itself imo