Wurm RPG Corebook - Rules of Play says:
Würm is a system-lite RPG set in the last period of the Ice Age 35,000 years ago. Characters don’t have Attributes or even Skills, but they are instead described by Strengths like Secret of the Bear or Eye of the Panther and Weaknesses such as Fearful or One-Eyed. So you may dive right into the prehistoric adventure of the world of Würm, the core rulebook ends with four introduction scenarios, each one offering a specific atmosphere, including adventure, investigation, melancholy, or humor. One scenario is designed to introduce younger players to the game.