# HTML 5 build doesn't work offline anymore with Firefox
**URL:** \
**Category:** Platform & Builds\
**Tags:** HTML5, packaged-build, unreal-engine, question\
**Created:** [November 8, 2016, 3:51pm UTC](https://forums.unrealengine.com/t/html-5-build-doesnt-work-offline-anymore-with-firefox/375760 "2016-11-08T15:51:11Z")\
**Posts on this page:** 1\
**Showing post:** 4
**Author:**  [@anonymous\_user\_d45ec653](https://forums.unrealengine.com/u/anonymous_user_d45ec653)\
**Post date:** [November 16, 2016, 4:56pm UTC](https://forums.unrealengine.com/t/html-5-build-doesnt-work-offline-anymore-with-firefox/375760/4 "2016-11-16T16:56:31Z")
Found the information I had read about Firefox from the Unreal documentation:
> **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)**
>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — https://unrealcommunity.wiki/! You will be able to find content from...
_With Mozilla, game can be launch in offline
Mozilla can bring large, high-performance applications to HTML5 and 64 bit browsers can allocate more than 512MB of memory to around 1.5 GB._
_For things to work on chrome x32 & Chromium x64
the files need to hosted behind a web server, chrome doesn’t like direct file system access._
However, this page was updated last in March 2015, so I assume many things have changed since then.
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_[View the full topic](https://forums.unrealengine.com/t/html-5-build-doesnt-work-offline-anymore-with-firefox/375760)._