Photo: MAXHOP/East News Mobile video game "The Witcher: Monster Slayer" is seen on the screen of the smartphone on the day of the game's global premiere on July 21, 2021 in Warsaw, Poland. The game produced by CD Projekt RED and Spokko developer studio uses augmented reality (AR) technology, which allows players to explore the virtual world in search of monsters while moving in the real life surroundings.