The Seven Deadly Sins: Grand Cross


The Seven Deadly Sins: Grand Cross is a mobile game based on the hugely successful anime series. The game launched on February 27th, 2020 globally after having hit #1 in Japan and Korea in 2019.

The global launch was also tremendously successful, reaching a peak of 3.5MM DAU and daily revenue of ~$750k.

There was rapid adoption of the game, but there were no player-created strategy guides even three months after launch.

GamerSpeak’s goal was to create and launch a Fandom Wiki site with in-depth strategy guides.

Client: Netmarble F&C, Inc.

Services Requested:

  • Creation and launch of the Fandom Wiki site
  • In-depth game strategy guides written by experienced, knowledgeable players
  • Content Marketing in various designated social platforms and communities


  • 225 unique pages of strategy guide content were published in the first 45 days.
  • Strategy guide content localized into five different languages.
  • Over 1 Million Page Views in the first 9 months.

Post-Project Launch:

  • GamerSpeak continues to create and update high-quality, in-depth strategy and hero guides for the Fandom Wiki. There are now over 800 unique pages of strategy guide content hosted on the site.
  • The site has now gathered over 10 Million Lifetime Views and a peak daily view count of 54,870 views and continues to grow over time

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