La Compagnie des Glaces
A French-language sci-fi RPG¸ based on a series of novels of the same name by G.J. Arnaud. Set in a future where the Earth is covered by ice¸ and the only civilization that remains is a group of enormous trains. It uses a percentile skill-based system. - A description from https://darkshire.net/jhkim/rpg/encyclopedia/ with kind permission of John H. Kim