Sales of the popular Jungle MMOFPS "Gray Zone Warfare" exceeded 500,000 units. Although there are issues such as server problems, it broke through the milestone in 4 days after release

Sales of the popular Jungle MMOFPS "Gray Zone Warfare" exceeded 500,000 units. Although there are issues such as server problems, it broke through the milestone in 4 days after release
MADFINGER Games announced on May 4 that Gray Zone Warfare has sold over 500,000 copies. It's an open-world MMOFPS set on a fictional Southeast Asian island. Sales of the popular Jungle MMOFPS "Gray Zone Warfare" exceeded 500,000 units. Although there are issues such as server problems, it broke through the milestone in 4 days after release...

The linked article is in Japanese.