Game where getting random items is a central mechanic of the game. Typically, you can use currency earnable in game to open a box that contains a few random items, or a currency that is purchasable to open a larger box that contains more powerful items. These items are often in the form of...
The "Here's a fun game...now here's a grind to get to the fun part...now here's where you really should pay to get to the fun part" loop gets too blatantly obvious in most mobile games to be enjoyed
Fractal branching stories. If there are a couple separate paths that is fine, moreso if there is a clear splitting point. If there are a dozen different branches, some with only minor differences, then I am going to just nope out
AAA means expensive to make, means it needs to sell well.
What it means to be AAA scales with what is out there. There are a good chunk of games on this site that would have been AAA quality in the 90's and 00's.