We've said that there are more than 80 of these stages that you'll have to encounter in the Octo Expansion, and among them are those that are really short and those that are longer. In the single-player campaigns until now, the stages have largely been about starting at point-A and making your way to the goal in point-B and the stage is done. That won't necessarily always be the case for the stages in the Octo Expansion. Instead, you may have mission objectives that you need to clear, and once that's cleared, you'll have cleared the stage.