Too Long; Didn't Read
The top 10 Resident Evil games, based on how many copies they sold, are:
10. Resident Evil 0
9. Resident Evil Remake
8. Resident Evil 3 Remake
7. Resident Evil Village
6. Resident Evil 2
5. Resident Evil 2 Remake
4. Resident Evil 7
3. Resident Evil 6
2. Resident Evil 4
1. Resident Evil 5
The series has gone through many different iterations, some games focusing on horror while others focus on combat. One can only wonder which style will be chosen for the next major release.