2 Player Stages -
10.0/10 with 1 votes
During 1 player mode, get a hero character to help you out, even if your doing another story mission, and use the second controller as well, you will now control the hero character as well(cannot pick up weapons though)
Independence Day Reference -
8.3/10 with 3 votes
After one of the space colony missions, they fire the weapon at Earth, and it hits what I think was the White House, and it makes a green explosion. This is a reference to the "Independence Day" movie where aliens attack Earth and use a laser to blow...
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Mr Yuji Naka -
6.5/10 with 4 votes
When there is GUN forces near you, sometimes you can hear a GUN man saying: Mr Yuji Naka is allright. Yuji Naka is the creator of Sonic series!
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Nights Hidden in Shadow The Hedghog -
5.5/10 with 2 votes
In the level Lethal Highway the second you land on the high way move a little further and look right. you will see a billboard that has the picture of the game Nights which recently came out for the Wii.
When the first piece of the highway explodes(...
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Welcome to the Next Level -
5.0/10 with 1 votes
After completing the hero mision in Westopilous, Sonic says "Welcome to the next level". That line was the slogan for the Sega Genesis.