"Another project canceled, this time for a future next-gen project and the layoffs impacted that team, plus the existing South Park team," a tipster wrote Joystiq. "Approximately 20-30 people from all disciplines, including one person who started yesterday, as well as one who started last week."
It was around this time last year that Obsidian also let staff go. We've contacted the company for an official statement.
Update: "We are always happy to talk about our announced projects, gaming and the industry as a whole. However, it is our policy to not comment on stories regarding our staff," Obsidian CEO Feargus Urquhart informed us this afternoon.