Two people familiar with the company say that John Carmack is leaving.

The people said he left on Friday. Carmack, who has been critical of Meta's progress in augmented and virtual reality, posted to the company's internal workplace forum about his departure.

Carmack said in the note that they built something close to the correct thing. Our efficiency is the problem.

Carmack said he was worn out of the fight with Meta, the company that acquired Oculus. Despite being one of the best known and more popular virtual reality headsets on the market, Meta changed the name of the brand last year to Metaquest. Carmack was the first chief technology officer of the company, founded by Palmer Luckey.

The fight is still winnable even though I have my own startup. It is possible to get there by plowing ahead with current practices, but there is plenty of room for improvement. Make better decisions and fill your products with it.

A person for Meta didn't respond to a request. Carmack was founded to focus on the development of artificial intelligence.

Carmack co-created the "Quake" and "Doom" video games and is one of the most respected names in video games. Carmack is one of the most important ambassadors in selling its vision for virtual and augmented reality to the gaming community.

Carmack gave a talk about the company's headsets at Meta's developer conference. He said he was grumpy about the company's rate of technological advancement and the basic functions of the headsets. He said it was frustrating to hear from people inside Meta who found the Quest 2 headsets unreliable and wouldn't use them for work or demo them for other people.

Carmack said at the time that it pains him to hear people say that they don't even get their headset out to show off at the company because they know it's going to be a mess of charging and updating before they can make it do something cool. It should be fun to demo virtual reality to your friends.

Meta has made some improvements, according to Carmack. No one is better positioned to do virtual reality than Meta, he wrote on Friday.

Carmack admitted earlier this year that the $100 price increase for the Quest headset was due to the company's free metaverse apps being more popular than its premium games.

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