Cleven – a Common Lisp experimental volume graphics game engine

In plain words

Cleven is an experimental game engine written in Common Lisp that uses volume graphics for rendering. It is designed for developers interested in exploring volumetric rendering techniques and game development in Lisp. The engine stands out by combining these two relatively uncommon approaches—using Lisp for game engine development and implementing volume graphics as its core rendering method.

written from the facts on this page · September 2026

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