mode

What was the mode of entry?

After a series of early setbacks, her political campaign is in crisis mode.

In insert mode, characters typed are directly inserted into the buffer.

airplane mode; night mode

Campaign mode (the career mode that includes the notorious Gran Turismo driving school) is off limits while offline. Also unavailable offline: buying new cars, viewing your garage, editing car liveries, and even the "taking photos of fancy cars in exotic scenery" mode.