PlaySide Studios (ASX:PLY) estimated sales of around 150,000 units and gross sales of around $1 million for its new video game title, Dumb Ways to Build, across all platforms since its launch on Sept. 10, according to a Tuesday Australian bourse filing.

Net revenue to PlaySide is estimated at around $600,000, which is ahead of internal forecasts, the company said.

Sales on the Steam store represent around two-thirds of units sold, with the PlayStation and Xbox consoles contributing around one-third, per the filing.

The video game developer's shares fell past 4% in recent trading on Tuesday.