16 comments
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5 years ago
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gary zipperer
This is the 1990s Sonic and Knuckles Collection. It has: beta music, MIDI music. If you were looking for the Steam release, It's not here.
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4 years ago
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Loken
i still dont know whats the diference between sonic 3 & knuckles and sonic and knuckes + sonic 3
5 years ago
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HeetstheBumpker
Umm... Guys,how do I play this game? I recieved a Disc Image File (IGG-SONIC3K.ISO), a ReadMe.Txt and 2 URL Files.
PLEASE HELP MEH!!!1111!!!
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5 years ago
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The Guy
Open the ISO File with Rar.

  1. Put the ISO File out of RAR
  2. Right click on ISO and Open with RAR (or 7 ZIP, depends what you use)
7 years ago
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SilverTheHedgehog576
i have a error to instert sonic and knuckles collection what should i do?
7 years ago
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Jacob Wade Allen
Guys, save your HDD space and just get an emulator and a rom of this game.
7 years ago
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Brandon Rasch
Tried to uninstall from programs and features, unistallation failed. Can't unistall. Help????
7 years ago
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CodeBreakerZero
People just get an emulator and download it as a rom this one doesn't work well on modern pcs.
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7 years ago
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VECTORKNICKERS
There's a patch availble to make the game run perfectly. There's also a tool that let's you restore the original music.
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7 years ago
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CodeBreakerZero
It's easier to just download the genesis version and play that. Why bother with a port that you need to go through hoops to fix?
7 years ago
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Honkey Kryptonite
Doesn't work on windows 10.
7 years ago
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Oscarブレード・コマンダー（Ashen One,）
The installation isn't working with the process listed in the video. Any ideas why?
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7 years ago
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WindBreakerHD
use an emulator
8 years ago
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XyrenZ
Working fine on win 7 x64. Installed from setup file in ''SonicKnu'' folder. Install SPDPatch as well to fix speed glitch on modern pc. Don't know how to get it working in fullscreen though.
9 years ago
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IGG-Pirate
Won't run on Windows 10 64-bit
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8 years ago
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Mr Bubble Gum
press right click on the .exe file press on properties then press on the compatability tab then change the compatability to windowds xp service pack 2