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![Attachment](/media/thumbs/7/17418.gif)
subdirectory_arrow_right McDonald's (Collection)
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![Attachment](/media/thumbs/8/18214.jpg)
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Completing a level with 9:59 on the timer will give the player a 100000 Time Bonus.
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There are unused Routes in most stages of Sonic 3 (without Sonic & Knuckles) that only Knuckles can enter. The unused routes are still be playable, but the Bosses weren't added until Sonic & Knuckles was released with the option to connect the two games together.
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![Attachment](/media/thumbs/5/10421.png)
The stage is extremely glitchy and clearly either isn't finished or is lacking resources from Sonic & Knuckles. Despite this, the Boss fights are functional and the stage can still be finished.
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Similar to how Sonic the Hedgehog 2's release was on a Tuesday and was dubbed "Sonic 2sday", this game's release in the US was on February 2 - the holiday known as Groundhog Day - and was dubbed "Hedgehog Day".
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![Attachment](/media/attachments/3/6617.gif)
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It's possible to exploit a glitch and destroy Dr. Robotnik before he flees the first time in Launch Base Zone. By hitting Robotnik with Tails 256 times (Sonic and Tails mode) he will pop and a Flicky will fly away. This is easiest done in Debug Mode, but is possible in 1P mode.
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![Attachment](/images/display/audio.png)
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According to an interview with game developer J. Pataki, the "Get Blue Spheres" message at the start of Special Stages originally said "Get Blue Balls". This was changed by the mostly male staff to avoid any sexual undertones.
subdirectory_arrow_right Sonic & Knuckles (Game)
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![Attachment](/media/thumbs/2/2136.gif)
Game Informer article:
https://www.gameinformer.com/b/features/archive/2016/10/10/how-sonic-the-hedgehog-3-became-two-games-sonic-and-knuckles-lock-on-technology.aspx
McDonald's Sonic the Hedgehog 3 Happy Meal sweepstakes commercial:
https://www.youtube.com/watch?v=X4z6S6SErYA
Wikipedia article:
http://en.wikipedia.org/wiki/Sonic_the_Hedgehog_3#Development
https://www.gameinformer.com/b/features/archive/2016/10/10/how-sonic-the-hedgehog-3-became-two-games-sonic-and-knuckles-lock-on-technology.aspx
McDonald's Sonic the Hedgehog 3 Happy Meal sweepstakes commercial:
https://www.youtube.com/watch?v=X4z6S6SErYA
Wikipedia article:
http://en.wikipedia.org/wiki/Sonic_the_Hedgehog_3#Development
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If you wait roughly 47 minutes on Sonic the Hedgehog 3's file select screen, the music changes. It's not fully known if this is an Easter egg or just a glitch.
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![Attachment](/media/thumbs/1/49.jpg)
In December 2009, Michael Jackson's composer Bradley Buxer (credited in Sonic 3 as Brad Buxer) told French magazine Black & White that Jackson was actually involved with some of Sonic 3's compositions, supposedly not being credited because he wasn't happy with how they sounded, due to the lack of optimal sound reproduction on the Genesis.
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