Hatena, the company known for working with Nintendo on Miiverse, Flipnote Hatena, and the Splatoon 2 app within Nintendo Switch Online, has announced it worked with Nintendo to develop Smash World.

Smash World is a new Super Smash Bros. Ultimate companion service available via the Nintendo Switch Online app for smartphones. Smash World is Hatena’s fourth project with Nintendo, and this is the first time they have announced their involvement with the project.

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