If the economy does not have you rattled enough you may want to head over to Superstruct.
As Charlie Bess summarizes, it provides multi-player forecasting games which focus on cheery topics like "imminent collapse of the global food system", "nations fight for energy supremacy", "volatile mix of new forms of surveillance, transparency, civil rights", and "number of refugees and migrants skyrockets globally"
About the only topic it does not cover is what the Cubs and their fans will do the rest of October...