Summary:

- The article discusses the surprise release and unexpected success of the video game "Hi-Fi Rush" by Bethesda Softworks and Tango Gameworks. The game was released without any prior announcement or marketing campaign, but has quickly become a hit, selling over 1 million copies in just one week.

- The article also mentions that the success of "Hi-Fi Rush" has had a positive impact on the sales of other video game titles, such as "PUBG" by Krafton, which saw a significant increase in player activity and revenue following the release of "Hi-Fi Rush."

- The article suggests that the unexpected success of "Hi-Fi Rush" may prompt more video game publishers to consider surprise releases in the future, as a way to generate buzz and interest without the traditional marketing hype.