A Demon Slayer: Kimetsu no Yaiba collaboration is scheduled to appear in Ninjala. The collaboration will begin on July 20, 2021. During this period players can obtain Demon Slayer: Kimetsu no Yaiba cosmetics like weapons and costumes in Ninjala. [Thanks, ryokutya2089!]
This includes cosmetics based off of Tanjiro and Nezuko Kamado, and Zenitsu Agatsuma. A Gum Utsusemi in will appear during this collaboration that will be inspired by Demon Slayer: Kimetsu no Yaiba. However, details regarding what these items and weapons will look like has yet to be revealed. More information regarding the collaboration will come at a later date.
Ninjala has had several other collaborations appear in the game outside of the upcoming Demon Slaye crossover event. This includes a Monster Hunter collaboration event where players could obtain Monster Hunter themed armor and weapons. Other items included stickers, emotes, and a Gum Utsusemi inspired by the Palico and Palamute. The most recent event to appear in Ninjala was the Loot Box Matsuri. From May 26 to June 2, 2021 players could obtain a special sticker and emote.
On May 20, 2021 Ninjala had officially passed 7 million downloads. To celebrate the milestone, players received in-game currency. Additionally, a piece of unique artwork was created.
Ninjala is immediately available for the Nintendo Switch. The Demon Slayer: Kimetsu no Yaiba and Ninjala collaboration event will begin on July 20, 2021.