Dead Cells is an indie game and seems very proud of its origins. This is thanks to the just released Every Is Here! Contents. Skins and weapons are available from various other indie games.
This news was made public thanks to the following video posted on Developer Motion Twin’s YouTube channel. Dead Cells will receive skins and weapons based on the main characters from Hollow Knight, Blasphemous, Hyper Light Drifter, Guacamelee, and Skul & Curse of the Dead Gods. The skins and weapons are available starting today.