kinda grindy. not much to do after a certain point but upgrade a little more (upgrades take ages, albeit they are useful), get a better office, etc
really needs more automation since you can get to a max of 6 booths, but there is no reason to expand past a first or second one
as the guy below me said, content is kinda random and you can't choose what you wish to see/do
there are also some events which are non repeatable, namely experiments and story events which you'd have to restart the game to see