Joe Maring / Android Authority
If, like me, you had an Android phone in the 2010s, you almost certainly played Flappy Bird. And all these years later, I still occasionally find myself itching to play a few rounds. Unfortunately, playing the original Flappy Bird in 2025 is all but impossible.
But thanks to one developer, Flappy Bird is back. Recently, a new developer got the attention of the r/Android subreddit by announcing they had reverse-engineered the original Flappy Bird to run on a 64-bit Java platform, meaning you can download and play Flappy Bird just as you remember on a modern Android phone.
It’s a pretty cool project, and I was almost ready to download the app myself. However, after taking a closer look, I decided not to download this new version of Flappy Bird, and you probably shouldn’t either.
It's 2025 — do you still miss Flappy Bird? 52 votes Yes 27 % No 73 %
Why you shouldn’t download this new Flappy Bird game
Joe Maring / Android Authority
There are a couple of red flags with this Flappy Bird app, the first of which is what the developer didn’t do. The GitHub page includes the APK file for downloading the game on your phone, but there’s no source code available.
In other words, you’re being asked to download an APK onto your Android phone without being able to see what’s happening behind the scenes. And that’s a problem. Downloading APK files isn’t inherently bad or harmful, but you should only do so from trusted developers, who typically publish the APK source code so you can confirm the file doesn’t contain anything nefarious.
But that didn’t happen here. Not only did the developer not publish their source code, but this Flappy Bird project is the first thing they’ve ever published to GitHub, meaning they don’t have any previous vettable projects.
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