Mozilla and Humble Bundle today announced a new package that features award-winning indie best-sellers for which gamers can choose how much they want to pay. Naturally called the Humble Mozilla Bundle, the package consists of eight games that have been ported to the Web.

The first five games (Super Hexagon, AaaaaAAaaaAAAaaAAAAaAAAAA!!! for the Awesome, Osmos, Zen Bound 2, and Dustforce DX) can cost you whatever you want. The next two (Voxatron and FTL: Faster Than Light) can be had if you beat the average price for the bundle. You can pay $8 or more to receive all of the above, plus the last game, Democracy 3. Previously, all of these indie games were available only on PC or mobile. Now they all work in browsers on Windows, Mac, and Linux without having to install any plugins.

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For those who don’t know, Humble Bundles are a series of collections of digital creations that are sold and distributed online at a price determined by the purchaser. Furthermore, you can choose where your purchase dollars go, between the game developers and nonprofit organizations. The Humble Mozilla Bundle supports the Mozilla Foundation, CodeNow, and the Maker Education Initiative.

So far, the Humble Bundle community has contributed more than $47 million to more than 30 different charities and nonprofit organizations. This bundle will likely help push past the $50 million mark, especially given that Mozilla worked with Lexaloffe Games to let Firefox users play a version of Voxatron right in the default home page (as you can see in the video below).

In all eight games, players can save their progress to the cloud. They are also available for download DRM-free, with most titles available on the digital distribution network Steam, included in the bundle.

This is possible thanks to asm.js, Mozilla’s low-level subset of JavaScript aimed at letting developers deliver gaming performance directly in the browser. It works best in Firefox, though Chrome users can also expect decent gameplay.

You can read more about the technical challenges the company had to overcome over on Mozilla Hacks. The promotion is only available for two weeks (it ends on October 28 at 11:00 a.m. Pacific), so if you’re interested, you should jump on it quickly.