Flappy Square

A ripoff of Flappy Bird for Firefox. Click the "FS" icon, and press any key to move the square up. Note that this addon won't run offline.

Flappy Square is available to install from Firefox Browser Add-ons and for download from this page. It has 2 daily users. The latest version is 1.2.1resigned1, and it was last updated a year ago.

View source code

Total download count: 0 (Only count downloads from Firefox-Stats)

Available versions

You can find the current and older versions of Flappy Square here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.2.1resigned1	XPI · ZIP · Source code	31.00K	0	2024-04-25
1.2.0	Paid users only	27.44K	0	2018-04-03

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Flappy Square ZIP file
In Firefox browser, go to about:addons to open Add-ons Manager
Click on , then select Install Add-on From File
Select the Flappy Square ZIP file from step 1. Flappy Square is now installed on your browser.