The ICO Steam Newsletter explained

1
2
3
4
5
6
7
1

The newsletter is weekly and sent every Monday.

2

The number games released the previous week on Steam (including Early Access)

3

The games are sorted based on their total number of reviews on Steam

4

For each game, we show the total number of reviews as well as the review score

5

Early Access games are marked as such and they will appear again when they have their full release

6

The first 10 games are featured, every other game is put in the list

7

EA means this is a game that was just released in Early Access