Summing up, this year also has been the best one in terms of games completed compared to other years I've participated in the thread:
2020 (https://gamrconnect.vgchartz.com/post.php?id=9092024) - 35 games completed
2019 (https://gamrconnect.vgchartz.com/post.php?id=8950250) - 18 games completed
2018 (https://gamrconnect.vgchartz.com/post.php?id=8950254) - 27 games completed
But to be fair, I just ended up playing a lot of less than 10 hours games this year and very few around 100 hours games compared to last years.
As for top 3 of this year (excluding the games that I was replaying):
1. Persona 5 Royal
2. Valkyria Chronicles
3. Serious Sam 4