Developer Iron Gate announced this in a blog post . The post further indicates that a total of 15,000 years have been spent in the fictional world of Valheim and that the game is in the top 50 most rated games by users.

The survival game Valheim can be played alone or with two to ten players. The game takes place in a massive, procedurally generated world. You can work together as Vikings to defeat the computer-controlled enemies and survive in the tenth Norse world.

Recently it was announced that the four million copies sold had been reached. So the game continues to sell well for the time being.