The UK games sector was in favor of Microsoft's bid for US firm Activision being approved, according to the man who led the company behind Tomb Raider.
Sir Ian Livingstone, also co-founder of Games Workshop, said it would be "odd" if the UK was the only place to object.
The blocking of the deal by the UK regulator provoked a furious response from Microsoft, with its president saying the move was "bad for Britain".
The UK's move means the multi-billion dollar deal cannot go ahead globally.
The planned $68.7bn (£55bn) deal would have been the gaming industry's biggest ever takeover, and Microsoft would have taken ownership of popular games titles such as Call of Duty, Candy Crush and World of Warcraft.
US and EU regulators have yet to decide on whether to approve the deal, but on Wednesday the UK's Competition and Markets Authority (CMA) blocked it, saying it was concerned the deal would offer reduced innovation and less choice for gamers in the fast-growing cloud gaming business.
Both Microsoft and Activision have said they will appeal against the CMA's decision.
On Thursday, Microsoft president Brad Smith launched a fierce attack on the judgement, telling the BBC that it marked Microsoft's "darkest day" in its four decades of working in the UK.
"People are shocked, people are disappointed, and people's confidence in technology in the UK has been severely shaken," he said, adding that the European Union was a better place to start a business.
A spokesman for Prime Minister Rishi Sunak said Mr Smith's claims were "not borne out by the facts", adding that the UK games sector had doubled in size over the past 10 years.
Sir Ian, who is now co-founding partner of gaming investment group Hiro Capita, told the BBC's Today programme: "I think the sentiment of the games industry itself in the UK is for it to go ahead.
"It would be odd assuming the UK was the main area to have a problem with this procurement going ahead," he added.
"I would trust that they can plunk down and maybe arrange a settlement which may be to everyone's greatest advantage over the long haul."
Sir Ian said the UK's games industry was "an extraordinary English example of overcoming adversity", having fostered probably the greatest establishments on the planet including Burial place Looter and Fantastic Burglary Auto.
"It's forever been exceeding expectations in happy however consistently underserved by capital and acknowledgment," he added.
"This is a profoundly serious market and any bad feeling isn't really great for the business or without a doubt the UK economy."
The CMA is the principal controller to report its choice, however last year the US Government Exchange Commission started a lawful test to impede the takeover.
In Spring, EU controllers postponed their choice after Microsoft proposed concessions to get the arrangement over the line.
Sir Ian said "it's fairly come as a shock that they [the CMA] expressed no right now".
Nonetheless, Gareth Sutcliffe, senior games expert at Enders Examination, said the arrangement "has been in a tough situation for some time".
He added that Microsoft "essentially didn't do the fundamental controller effort to get this arrangement over the line".
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