Sonic 3 A.I.R: A Fan-Made Remaster of Sonic 3 & Knuckles
If you are a fan of the classic Sonic games, you might have heard of Sonic 3 A.I.R, which stands for Angel Island Revisited. It is a fan-made widescreen remaster of Sonic 3 & Knuckles, one of the best games in the series. It is not a simple port or emulation, but a complete overhaul that adds new features, improvements, and options to enhance the gameplay experience. In this article, we will tell you everything you need to know about Sonic 3 A.I.R, including what it is, how to download and install it, some tips and tricks, and a review of its pros and cons.
What is Sonic 3 A.I.R?
Sonic 3 A.I.R is a project created by Eukaryot, a fan and developer who wanted to make the definitive version of Sonic 3 & Knuckles for modern PCs. It is based on the original game ROM from the Steam version of SEGA Mega Drive & Genesis Classics, but it uses a custom engine that allows for features that were not possible on the original hardware, such as:
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Full support for 16:9 widescreen display
Smooth 60 frames per second gameplay
Alpha transparency effects and smooth 360 rotation
Customizable controls and game options
Mod support and online features
New gameplay modes and extras
Sonic 3 A.I.R is not an official SEGA product, but a fan-made tribute that respects the original game design and vision. It is also free to download and play, as long as you own the Steam version of Sonic 3 & Knuckles.
How to download and install Sonic 3 A.I.R?
Sonic 3 A.I.R is available for various platforms, such as Windows, Linux, macOS, Android, iOS / Web, and Nintendo Switch. However, before downloading it, you need to make sure you have the Steam version of Sonic 3 & Knuckles installed on your PC or Mac. This is because you will need to transfer the game ROM file from there to your device. The installation process may vary depending on your platform, but here are some general steps:
For Windows
Go to [1]( and click on "Sonic 3 A.I.R. for Windows".
Select the stable or preview version (the stable version is recommended) and download the ZIP file.
Extract the ZIP file to a folder of your choice.
Launch the game executable (sonic3air.exe) and follow the instructions to locate the game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder.
Enjoy the game!
For Linux
Go to [1]( and click on "Sonic 3 A.I.R. for Linux".
Select the stable or preview version (the stable version is recommended) and download the ZIP file.
Extract the ZIP file to a folder of your choice.
Open a terminal and navigate to the folder where you extracted the game.
Make the game executable by typing chmod +x sonic3air and press Enter.
Launch the game by typing ./sonic3air and press Enter.
Follow the instructions to locate the game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder.
Enjoy the game!
For macOS
Go to [1]( and click on "Sonic 3 A.I.R. for macOS".
Select the stable or preview version (the stable version is recommended) and download the DMG file.
Open the DMG file and drag the game icon (sonic3air.app) to your Applications folder.
Launch the game from your Applications folder and follow the instructions to locate the game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder.
Enjoy the game!
For Android
Go to [2]( and download the latest APK file (sonic3air.apk).
Transfer the APK file to your Android device using a USB cable or a cloud service.
On your Android device, go to Settings > Security and enable Unknown Sources to allow installation of apps from outside the Google Play Store.
Locate and tap on the APK file to install it. You may need to grant some permissions for the app to work properly.
Launch the game and follow the instructions to locate the game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder. You may need to transfer it to your Android device using a USB cable or a cloud service.
Enjoy the game!
For iOS / Web
If you have an iOS device or you want to play Sonic 3 A.I.R on your web browser, you can use [3]( which is an online version of the game that runs on HTML5. However, you will need to upload your own game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder, as well as a save file (sonic3air.sav) if you want to continue your progress. Here are some steps:
Go to [3]( on your web browser. You can use Safari on iOS or Chrome on other devices.
Select "Upload ROM" and choose your game ROM file (Sonic_Knuckles_wSonic3.bin) from your device or cloud storage.
Select "Upload Save" and choose your save file (sonic3air.sav) from your device or cloud storage. This is optional, but recommended if you want to resume your game.
Select "Start Game" and enjoy the game!
For Nintendo Switch
If you have a Nintendo Switch that is hacked or modded, you can also play Sonic 3 A.I.R on it using [4]( which is a port of the game for the Switch. However, you will need to have some technical knowledge and follow some instructions carefully, as this is not an official or supported way of playing the game. Here are some steps:
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Go to [4]( and download the latest ZIP file (sonic3air-nx.zip).
Extract the ZIP file to a folder of your choice on your PC or Mac.
Copy the folder "sonic3air" to the root of your SD card that you use for your Switch.
Create a folder named "romfs" inside the "sonic3air" folder on your SD card.
Copy your game ROM file (Sonic_Knuckles_wSonic3.bin) from your Steam installation folder to the "romfs" folder on your SD card.
Eject your SD card from your PC or Mac and insert it into your Switch.
Launch Sonic 3 A.I.R using a homebrew launcher such as [5]( or [6](
Enjoy the game!
Tips and tricks for Sonic 3 A.I.R
Sonic 3 A.I.R is not only a faithful remaster of the original game, but also a game that adds new features and options that can enhance your gameplay experience. Here are some tips and tricks that you may find useful:
How to unlock Super/Hyper forms
In Sonic 3 A.I.R, you can unlock Super and Hyper forms for Sonic, Tails, and Knuckles, which give them enhanced abilities and invincibility. To do so, you need to collect all the Chaos Emeralds and/or Super Emeralds from the Special Stages. You can access the Special Stages by finding giant rings hidden in the levels, or by collecting 50 rings and jumping on a star post. Here are the requirements for each form:
Super Sonic: Collect all 7 Chaos Emeralds.
Super Tails: Collect all 7 Chaos Emeralds.
Super Knuckles: Collect all 7 Chaos Emeralds.
Hyper Sonic: Collect all 7 Super Emeralds.
Hyper Tails: Collect all 7 Super Emeralds.
Hyper Knuckles: Collect all 7 Super Emeralds.
To activate the Super/Hyper form, you need to have at least 50 rings and press the jump button twice in mid-air. To deactivate it, press the jump button twice again. Be careful, as your ring count will decrease while in Super/Hyper form, and if it reaches zero, you will revert to normal.
How to use Trick Actions
Sonic 3 A.I.R introduces a new feature called Trick Actions, which are special moves that you can perform in mid-air to gain extra speed, height, or style. To use them, you need to press the action button (default is C) while in mid-air. Depending on your character and situation, you can perform different Trick Actions:
Sonic: Can perform a Drop Dash, which allows him to charge a spin dash while in mid-air and release it when he lands. He can also perform a Homing Attack, which allows him to lock-on and dash towards enemies or objects. He can also perform a Light Speed Dash, which allows him to dash along a trail of rings.
Tails: Can perform a Tail Swipe, which allows him to attack enemies with his tails. He can also perform a Fly Cancel, which allows him to cancel his flying ability and gain some speed.
Knuckles: Can perform a Glide Cancel, which allows him to cancel his gliding ability and gain some speed. He can also perform a Wall Climb, which allows him to climb up walls by pressing the action button repeatedly.
How to access Debug Mode and other secrets
Sonic 3 A.I.R also includes some secrets and easter eggs that you can access by using certain codes or options. One of them is Debug Mode, which allows you to manipulate the game objects and settings. To access Debug Mode, you need to do the following:
Go to the main menu and select "Options".
Select "Gameplay" and enable "Developer Mode".
Select "Controls" and assign a key or button for "Debug" (default is F2).
Start a game and press the Debug key or button to enter Debug Mode.
In Debug Mode, you can use the arrow keys or D-pad to move the cursor, and the action buttons to place or remove objects. You can also press the pause key or button to access a menu with more options.
Some other secrets that you can access are:
The level select menu: Go to the main menu and press Up, Up, Down, Down, Up, Up, Up, Up. You will hear a ring sound if done correctly. Then select "Start Game" and choose your character. You will see a list of levels that you can choose from.
The sound test menu: Go to the level select menu and press A + Start (or C + Enter). You will see a list of sounds and music that you can play.
The secret ending: Complete the game with all characters in any mode with all Super Emeralds collected. You will see a special ending scene after the credits.
Review of Sonic 3 A.I.RReview of Sonic 3 A.I.R
Sonic 3 A.I.R is a remarkable fan-made remaster of Sonic 3 & Knuckles that improves and enhances the original game in many ways. It is not only a faithful recreation of the classic gameplay, graphics, and music, but also a modernization that adds new features, options, and modes that make the game more enjoyable and accessible. It is also a tribute to the Sonic community that supports and contributes to the project with mods, feedback, and donations. Here are some of the pros and cons of Sonic 3 A.I.R:
Pros and cons
Pros
Cons
Widescreen support and smooth 60 FPS gameplay.
New features and options such as Trick Actions, Developer Mode, and online leaderboards.
New gameplay modes and extras such as Time Attack, Competition, Encore, and Drop Dash.
Mod support and customization options.
Free to download and play.
Requires the Steam version of Sonic 3 & Knuckles to run.
Some platforms may have compatibility or performance issues.
Some features or options may not be faithful to the original game or may be unbalanced.
Some bugs or glitches may occur.
Not an official or supported SEGA product.
User ratings and feedback
Sonic 3 A.I.R has received overwhelmingly positive ratings and feedback from users who have played it. On [7]( it has a rating of 4.9 out of 5 stars based on 1,057 votes. On [8]( it has a user score of 9.4 out of 10 based on 14 ratings. Here are some of the user reviews:
"Sonic 3 A.I.R is hands down the best way to experience Sonic 3 & Knuckles in 2021. It is a masterpiece of fan game development that surpasses even some official SEGA products. It is a must-play for any Sonic fan or platformer lover."
"This is the definitive version of Sonic 3 & Knuckles. It improves everything from the original game and adds new features that make it more fun and replayable. It also has mod support and online features that extend its longevity. It is amazing how a fan-made project can achieve such quality and polish."
"Sonic 3 A.I.R is a fantastic remaster of Sonic 3 & Knuckles that respects the original game while adding new elements that enhance the gameplay experience. It is not only a great tribute to the classic game, but also a great example of how fan games can be done right."
Conclusion and FAQs
Sonic 3 A.I.R is a fan-made remaster of Sonic 3 & Knuckles that offers a superior gameplay experience for modern PCs and devices. It is not only a faithful recreation of the original game, but also a modernization that adds new features, options, and modes that make the game more enjoyable and accessible. It is also a tribute to the Sonic community that supports and contributes to the project with mods, feedback, and donations. If you are a fan of the classic Sonic games, you should definitely give Sonic 3 A.I.R a try. You will not regret it.
Here are some frequently asked questions about Sonic 3 A.I.R:
Q: Is Sonic 3 A.I.R legal?
A: Sonic 3 A.I.R is not an official or supported SEGA product, but a fan-made tribute that respects the original game design and vision. It is free to download and play, as long as you own the Steam version of Sonic 3 & Knuckles. However, it may not be legal in some countries or regions where fan games are prohibited or restricted by law. You should check your local laws before downloading or playing Sonic 3 A.I.R.
Q: Is Sonic 3 A.I.R safe?
A: Sonic 3 A.I.R is safe to download and play, as long as you download it from the official website [1]( or other trusted sources. You should avoid downloading it from unknown or suspicious websites or links, as they may contain viruses or malware that could harm your device or compromise your privacy. You should also scan the downloaded files with an antivirus software before running them.
Q: How can I update Sonic 3 A.I.R?
A: Sonic 3 A.I.R is constantly updated by the developer with bug fixes, improvements, and new features. You can check the latest version and changelog on the official website [1]( or on the developer's Twitter account [9]( To update the game, you need to download the latest ZIP or DMG file for your platform and extract or install it over your existing game folder. You do not need to delete or overwrite your save file (sonic3air.sav), as it is compatible with all versions.
Q: How can I mod Sonic 3 A.I.R?
A: Sonic 3 A.I.R supports modding, which allows you to customize or change various aspects of the game, such as graphics, music, sounds, gameplay, and more. You can find and download mods from various sources, such as [10]( or [11]( To install mods, you need to create a folder named "mods" inside your game folder and place the mod files (usually ZIP or PK3 files) inside it. Then, you need to launch the game and go to "Options" > "Mods" and enable or disable the mods you want to use. You can also change the mod order or priority by dragging and dropping them on the list.
Q: How can I contact the developer of Sonic 3 A.I.R?
A: If you have any questions, suggestions, feedback, or bug reports for Sonic 3 A.I.R, you can contact the developer Eukaryot by using one of these methods:
Email: eukaryot@eukaryot.net
Twitter: [9](
Discord: [12](
Patreon: [13](
The developer is very friendly and responsive, and he appreciates any support or feedback from the fans. 44f88ac181
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