Take the tour ×  I've never played Fate before and am learning
from Fate Accelerated Edition with occasional reference to Fate
Core. For the most part, it has been straightforward. On the
other hand, I am somewhat unclear about how explicitly Situation
Aspects must be declared.  For example, Criminal Charlie is
pursued into a bustling marketplace and spends a few turns
trying to outrun the authorities. Finally he decides to try to
hide in plain sight and his player says, "I will spend a fate
point to invoke the marketplace's Crowded aspect to make it
easier to hide in the crowd."  Nobody has, at this point, put
"Crowded" onto a index card on the table, but clearly the
marketplace is a crowded place. It is not an aspect that must be
created by changing the situation. It is not an aspect that is
hidden and must be discovered. It seems like the easiest way to
deal with this is to imagine than in a given situation, there is
a vast sea of implicit aspects, just waiting to be invoked. The
GM gets to say whether any