Nintendo is releasing yet another game for your phone.

The company is set to release its puzzle game Dr. Mario Worldfor iOS and Android devices sometime during the "early summer" of this year, as per an announcement on Thursday.

There's not a whole lot of detail yet, aside from the fact that the game will be free to download, but as you can expect, it will come with in-app purchases.

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Dr. Mario World will be initially available in 60 countries, and is a co-development with Nintendo, Japanese internet company LINE Corporation, and mobile game developer NHN Entertainment.

The original Dr. Mariowas released in 1990 for the Nintendo Entertainment System, and other iterations of the series have since been published on the Nintendo 64, the 3DS, and Wii U.

Dr. Mario Worldis the latest crack by Nintendo at the mobile games business, which began with Super Mario Runback in 2016.

Earlier on Thursday, Nintendo announced in its latest quarterly earnings report that Mario Kart Tour, which was slated for release in March, has been delayed until the summer.

The company said that it pushed back the game's release to "improve quality of the application and expand the content offerings after launch."