Slendytubbies 2 is not officially "open source" in the traditional sense, its legacy is heavily driven by community efforts and fan-made modifications that act as open projects. The official game, originally developed by , is built on a modified version of Unity called Terror Engine
The "slendytubbies 2 open source" project is a fascinating case study in and the indie horror evolution. Originally developed by ZeoWorks , Slendytubbies 2 represents a specific era of internet culture where "creepypastas" and surreal parodies collided. slendytubbies 2 open source