1. check the list below, and note these aren't all nostalgia games. smash bros alone counts for a pretty high profilehttps://www.imdb.com/list/ls066027613/?sort=list_order,desc&st_dt=&mode=detail&page=12. anecdotally, my 6y/o LOVES sonic and as a result, if you go to a toy section/store there are tons of new sonic toys to tie into the games