SIOUX FALLS, S.D. (KELO) -- Halloween made an appearance on a chilly Thursday night, as did the high school football quarterfinal round of the playoffs. The playoff night also marked the return of the KELOLAND SportsZone. This week's show featured 13 quarterfinal matchups. 28 games were played across the seven classes of high school football in the state. GAMES IN KELOLAND SPORTSZONE: 11AAA Washington vs. Brandon Valley 11AAA Rapid City Central vs. Lincoln 11AAA Roosevelt vs Harrisburg 11AAA O'Gorman vs. Jefferson 11AA Tea Area vs. Brookings 11A RC Christian vs. SF Christian 11A Dakota Valley vs. Dell Rapids 11A Canton vs. Lennox 11A Madison vs. West Central 11B Mobridge-Pollock vs. Sioux Valley 11B Clark/Willow Lake vs. Elk Point-Jefferson 9A Ipswich vs. Howard 9B Kadoka Area vs. Dell Rapids St. Mary