

Most collecting achievements are just game filler really. The ones I find interesting are ones that, in a more free-form game, create an interesting goal to work towards.
For some of my favourites I’ve on occasion gone through the list and been like ‘Yeah that sounds like an interesting objective.’
The key for decent ones is usually that they are an achievable goal for one playthrough that act as a ‘guiding star’.









The developers can choose to lock down and effectively disable discussions entirely if they want.
Steam simply provides devs a service, easy access to host a forum for their game w/o having to manage that separately. Using it is completely optional.