According to many Steam reviews, it seems roguelike action RPG video game Hades is the best Steam game of 2020.
This big reveal comes from website Steam 250, which reveals the top 250 games on Steam right now based on Steam reviews. It uses an algorithm based on number of votes and percentage of positive reviews.
The best part of their list is that it will not discriminate in games. It will include indie games as well like Phasmophobia and others.