Sonic 3 - Angel Island Revisited (Sonic 3 A.I.R.) is an unofficial port of Sonic 3 & Knuckles for Windows PCs.
It very closely resembles the original game, but adds features you would only expect from a modern fan game engine - including full support for 16:9 widescreen display, alpha transparency effects, and smooth 360° rotation.
The project goal is to provide a fully ported version of Sonic 3 & Knuckles, with all the necessary changes to make all of it work in widescreen. It's also planned to add several bugs fixes and game improvements on top.
In addition, this is a playground for trying out others things, like an experimental Time Attack game mode that allows you to directly race against the recordings of your previous best runs of each act.
- 100% accurate Sonic 3 & Knuckles physics
- Sonic, Tails, Knuckles fully playable, including Sonic & Tails co-op
- Widescreen display
- Additional effects like 360° rotation
- Optional high quality pixel filter xBRZ
- Controller support
- Experimental Time Attack mode
- Many fixes and small gameplay tweaks
- Added movement options like Tails Assist and Flight Cancel
(for those of you interested...)
The heart of the game engine powering Sonic 3 A.I.R. is a script interpreter that runs a ported version of the original game code. It's using a custom scripting language that is built specifically to allow for a relatively easy semi-automatic conversion of the Mega Drive's / Genesis' 68K machine code to this script. To make sure that the port behaves exactly like the original, the scripts get tested for accuracy by comparing the script execution to the original 68K code execution in a modified emulator. This way odd physics or similar issues can be ruled out without too much hassle.
Sonic 3 A.I.R. is built on top of the Sonic 3 & Knuckles Steam version. Being a direct port of the original game code, it gets most of its data from the ROM that is part of this Steam release.
So in order to play, owning the S3&K Steam game is a requirement.
Other than that, you only need a PC with Windows 7 or higher.
Get the latest demo here:
(Please note the requirements above!)
GalacticG is working on remastered versions of the game's music tracks, and you can download his work as an audio mod for Sonic 3 A.I.R.
For more info, see this post: https://www.sonicfangameshq.com/forums/threads/sonic-3-a-i-r.221/page-4#post-2530
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