For your Homecoming party theme, here is a game idea that can be altered to fit the Homecoming party theme.
Check out Homecoming
Party Games for more free party games. The Homecoming party takes place during the biggest football game of the year against the teams major revival.
HOMECOMING DANCE CONTEST GAME: Have a homecoming dance contest, stressing songs and moves appropriate from the era you've chosen. Perhaps even think about hiring a dance teacher for the beginning of the contest, just to show participants some basic moves before they go and practice. At the end of the night, the top dancers win a gag gift appropriate to the Homecoming theme you've chosen