Co-op shooter Deep Rock Galactic has sold over 5.5 million copies to date.

That's according to Danish developer Ghost Ship Games, which posted an infographic showing that sales of the title almost doubled in 2022 over on its Steam page.

Roughly 41 per cent – 2,340,934 copies – of Deep Rock Galactic's total sales came from last year. At the end of 2021, the title had shifted around three million copies.

Deep Rock Galactic launched in 2018.

On Steam, players spent an average of 42 hours and 45 minutes in the game in 2022, while 506,929 users played for over 100 hours during the year. Ghost Ship reports that the title's daily active users on Valve's platform have almost tripled since 2019, too.