Returning Player - Pod in Trig space

Bad comparison.

You are comparing averages of maximum values with different time windows. This means that with larger time windows, the average will be higher, not because of a higher player count at the time, but because of an artefact of your sampling.

If you want to make a useful comparison of player numbers, make sure the time windows are equal.

Black Pedro has a nice explanation here:

And a bit more here: