From the introduction: L1 is a Role Playing Game that will allow you to assume the role of a hero. Together with some friends, you will explore a fantasy universe, building your story step by step. Your hero will do things that other people consider impossible. Your hero will resolve impenetrable mysteries and lead a life of constant tension and danger - allowing you to live, for a brief moment, in another world. User summary: L1 is the introductory rules system for the L3 game, which was planned to also offer an L2 and an L3 system; only L1 was published. The game is licensed under a non-commercial use similar to the GNU-GPL.