Red Dead Redemption 2 received a substantial boost after launching on Steam. Digital unit sales more than doubled from 406K in November to 1.0M in December. The game became available on Steam on December 5, one month after releasing elsewhere including the Epic Games Store and Rockstar Games Launcher. This brief exclusivity window was advertised in advance, so many players simply waited a short period to play the game on their preferred launcher.
Read the rest of the World Wide Digital Market report for December 2019 at https://www.superdataresearch.com/blog/worldwide-digital-games-market