SUMMER SOLSTICE CHALLENGE Bygaga 04.03.2019 2018, Charm, Weekly Challenges Reward Comments 19/06/2018 SUMMER SOLSTICE CHALLENGE overview Rainbow Six Siege – SUMMER SOLSTICE CHALLENGE Welcome the first day of summer with the Ubisoft Club Challenge. Earn a score of 4000 in PvP to receive the Summer Solstice charm. Summer Solstice charm Summer Solstice charm