Shares in Polish games firm CD Projekt opened 15 per cent lower than their closing price the previous night.

This morning, the company's stocks started trading at zł260 ($71.72), a considerable decrease on the zł309.20 ($85.29) that the firm closed at the day before. This follows the news overnight that Sony was pulling Cyberpunk 2077 from sale on the PlayStation Store owing to the sub-standard quality of the PS4 edition of the eagerly-awaited sci-fi RPG. The Xbox One version has also come under fire for its quality level.

This follows Cyberpunk 2077 launching on December 10th. The title was pre-ordered eight million times ahead of release, netting CD Projekt in the region of $500 million in revenue. Within hours of its release, the game had attracted more than one million concurrent players on Steam.

The game has been mired by several controversies. Ahead of release, it emerged that Cyberpunk 2077 could trigger epileptic seizures in some players, with CD Projekt adding a warning about the risk of these to the game in addition to working on a more permanent solution.

That's without discussing the reports that emerged about working conditions on the project. Though CD Projekt promised it would finish Cyberpunk 2077 without "mandatory" crunch, the studio... mandated six-day workweeks in September. Speaking to investors, joint CEO Adam Kiciński said that crunch was "not that bad" on the project, a remark that he apologised to staff for the following day.

Right now, CD Projekt's market cap stands at zł26.42bn ($7.29bn), a considerable decrease from the $8.13bn capitalisation that the company boasted in May of this year. At the time, the firm was Europe's most valuable publicly-traded publisher.