Oh, you can try, if you want a game that takes an hour to load on a gigabit internet connection, uses 64GB of RAM and crawls on the latest Intel CPU. Enjoy.
Viewing post in About the size of the games on the browser
I'm thinking of investing in a browser games site, and I want to know the max size of browser games.
My opinion may seem superficial because I'm not a programmer, I'm just wondering how far browser games can go and will compete with games that require a download (after years later), or it's already reaching to it's limits.
Theoretically browser games can reach the quality of native games. The problem is the average user’s hardware.
Usually sites put size limits to save money, and to provide a better experience, as users won’t have to wait hours for each game they want to play.
So if in 10 years everyone has hardware that is 100x as fast, then browser games would be able to increase in quality.
This is all speculation though, who knows what might actually happen.
There's no hard limit, but by the time you get within an order of magnitude from the itch.io quota, your web game is way too big. They can't compete with downloadable games from a technical standpoint. That's not their strong point, and not what people expect from them.
Edit: and by the time computers and networks are 100x faster, downloadable games will also raise the bar. Just no.