Choerbaerts Suche nach dem Rönk (Choerbaerts search for the Rönk, short: CSNDR) is the name of a 2d adventure. Its code is based on the free and platform independent multimedia libraries SDL and OpenGL. It is written in C++.
At the moment CSNDR is still under heavy development. There are playable releases available, but they are mainly for testing purposes without any story elements.