A union has called on Grand Theft Auto 6 maker Rockstar Games to address issues around working conditions for developers.

The blockbuster video game, due to be released in November, is expected to be one of the most successful of all time.

The Independent Workers of Great Britain (IWGB) Video Game Workers Union called for official recognition from Rockstar, saying it wanted to address pay transparency, flexible working arrangements and overtime expectations.

Some of its members have brought legal action against the company, claiming they were illegally sacked last October for union activity. Rockstar has strenuously denied this and accused them of committing gross misconduct.

The IWGB says members at Edinburgh-based Rockstar, which also has UK studios in Dundee, Lincoln, Leeds and London, began organising in 2019 and claimed there had been improvements in working conditions since then.

It said there had been “unprecedented” average pay rises and financial incentives offered for “crunch” – a video game industry term for excessive, sometimes unpaid, overtime in the lead-up to a game’s release.

Articles published around the time of Rockstar’s last big game, Red Dead Redemption 2, suggested the practice was widespread within the company, external, although it rejected claims it was enforced.

More recent reports from Bloomberg journalist Jason Schreier, external said the company has tried to avoid excessive overtime on GTA 6.

The union said official recognition would allow it to open formal channels to discuss issues such as crunch, pay transparency and flexible working with Rockstar’s management.

UK workers are able to join a union without formal recognition, but being part of an official union grants them extra rights and protections, the IWGB said.

Currently, the only UK studio with a recognised union is ZA/UM, the developer of RPG Disco Elysium.