In most Slendytubbies games, skins are applied by linking to an image hosted online rather than uploading a file directly.
In Slendytubbies III: Multiplayer , you can unlock or choose different skins for the and Monsters : slendytubbies skins
This paper examines the phenomenon of customizable character skins within the Slendytubbies horror game series. By analyzing the aesthetic evolution from the original Slendytubbies to its multiplayer successors, this study explores how player-created skins function as a mechanism of subversion. It argues that skins in Slendytubbies serve a dual purpose: they act as a tool for individual expression within a multiplayer horror setting, and as a method of "meme-ification" that deconstructs the game’s own terror through absurdity. In most Slendytubbies games, skins are applied by