"I think we will see more and more publishers move away from loot boxes," he said.
Lots of games let players buy loot boxes, which often contain random items and customised options for gameplay, but usually you don't know what you're going to get.
In 2018, Belgium became the first country to ban the sale of video game loot boxes.
Many companies, including Epic Games, have been criticised because some people think loot boxes are a form of gambling, which is illegal for people under the age of 18 in the UK.