There are two new games called Sonic: Lost World coming this month. I'd like to refer them as "the good one" and "the bad one," if you don't mind.

For Sonic the Hedgehog's 20th anniversary, Sega and Sonic Team will bring two versions of its mascot—in "classic" and "modern" flavors—together for a time-traveling, old school-meets-new school adventure. But only one of those Sonics will actually speak in Sonic Generations.

Sonic the Hedgehog 4: Episode I is a sequel 16 years in the making. Pitched as the direct descendant of 1994's Sonic the Hedgehog 3, Sega's taking the series back to a simpler time. Does Sonic 4 deliver?

This is sure to bring out either chuckles or frowns from anyone old enough to remember the console wars of the 1990s: the design of Sonic's recent titles has been altered to appeal to Nintendo fans.

Going by its ability to render the classic Sonic the Hedgehog casino style level—this one's cleverly named Casino Street Zone—the episodic, old-school style Sonic the Hedgehog 4 is looking like a winner.

Sega's NiGHTS: Journey of Dreams for the Wii was once planned for release on Xbox 360 and PlayStation 3, but shifted platforms against the wishes of Sonic Team producer Takashi Iizuka.

On Monday, we heard that the Japanese release of Sonic Unleashed had been delayed until Spring 2009. Due to, we were told, quality concerns over the 360 and PS3 versions of the game. Uh oh. Now, a little later in the week, Sega's damage control team has taken over, and changed the company's tune. The game hasn't been…

There's little doubt, Sonic Unleashed is looking a lot better than Sonic Team's other recent outing most of us are still trying to forget. In fact, any Sonic game without a blue hedgehog's desire to trade saliva with a Homo sapien appeals to me. Speaking of Unleashed, we got some new screenshots from what looks like…

Seventeen years ago to this day, Sonic spirited onto the Genesis/Mega Drive. And he did it with 'tude. That's right! SEGA's Sonic the Hedgehog was released in North America and Europe on June 23, 1991. The game came out a month later in Japan. In his heyday, the blue hedgehog gave Mario as run for his money during the…