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Uploading html5 game to itch.io

I have a problem with uploading html5 game to itchio. I followed guidelines from itch.io (https://itch.io/docs/creators/html5) and also tried to find solution on UE forum (https://forums.unrealengine.com/development-discussion/html5-development/73947-upload-html5-game-to-itch-io). It didnt helped me much. Right now I have a problem after changing name of html file to index.html.

Put https://storage.googleapis.com/itchio/html/609722/HTML5/UE4Game-HTML5-Shipping.asm.js: zip: checksum error

What should I do?

Product Version: UE 4.17
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asked Oct 01 '17 at 12:11 PM in Packaging & Deployment

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avatar image katanec Oct 14 '17 at 06:59 PM

Hello All. I was asked to give my experience with html5 versions of my game ,,Rest House''. In short it was in the good old days of the UE4.8 It was easier to package and upload games then. After change I abounded that version and move to another platforms for my game.

Good luck to all.

More info at:

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Was the .asm.js file inside a zip file? The URL https://itch.io/docs/creators/html5 reads like it would be expecting the whole thing to be zipped up in one zip file, that contains the index.html and all the other files. If so, then perhaps itch.io is hitting some file size limitations or similar. Try testing with some tiny project if that uploads successfully?

(I've never used itch.io so I don't know how that exactly works)

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answered Oct 01 '17 at 04:57 PM

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avatar image B0gey Oct 01 '17 at 05:11 PM

The ZIP file should not contain more than 100 individual files after extraction. The maximum length of a file name including path should not be greater than 80 characters long. The size of all the extracted content should not be greater than 500MB. The size any single extracted file should not be greater than 200MB. Whole game is wrapped in 1 zip. The largest file is 146MB. Whole zip is 263MB. Also tried to upload (for testing purpose) that old game "tappy chicken" and sample project "rolling ball"

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