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by MayorOfMonkeys 3897 days ago
Unity and Unreal Engine don't support the mobile browser.
1 comments

Interesting. That's presumably just due to performance issues, there shouldn't be a technical reason.
It's because Unity and Epic cross-compile large codebases to many MBs of JavaScript. This simply overwhelms the JavaScript engines on mobile. The PlayCanvas engine on the other hand is hand-written and is 125KB of JavaScript.