NPD Group has released a listing of the top twenty best-selling games in the U.S. for the month of May 2017. The results can be found below. 1. Injustice 2 2. Mario Kart 8 Deluxe* 3. Grand Theft Auto V 4. The Legend of Zelda: Breath of the Wild* 5. Prey* 6. Tom Clancy’s Ghost Recon: Wildlands 7. Fire Emblem...