And then maybe they could fix the crashes.

You could set a variable in a file somewhere to true when the game starts, and set it to false when the game is closed. If the game opens and the variable is already true, increment the number of times crashed.

Honestly, you're not wrong.  Can't track something that causes the game to close before it can save. 

It could track it via crash logs... Does the game even have crash logs anyway?

How many times you've lost a run to the game crashing.

Heres an example:

Loops - 15
Deaths - 54
Crashes - 110
Runs that were totally going to get to at least loop 2 but ended in a crash that only started happening in the last 2 updates - 8

/max salt

The stats page could use another helpful statistic