The definitive sierra's opps tier list - rank, compare, and debate the best and worst sierra's opps. Place each item from S (GOATed) to D (bottom tier) and share your sierra's opps rankings. Made for fans who love ranking sierra's opps, this tier list maker is free, easy to use, and perfect for settling debates on TierBuddy. Popular categories include gaming, games, video-games, fps-games.