Sega concept art Sonic the Hedgehog YouTube Extra Life Sonic Adventure concept art Sonic Heroes concept art Sonic Adventure 2

The official Sonic the Hedgehog YouTube channel, which is over 1 million subscribers strong, conducted an Extra Life charity stream this weekend to raise money for Children’s Miracle Network. The stream had set up milestone donation incentives, including for never-before-seen Sega concept art for Sonic Adventure, Sonic Adventure 2, and Sonic Heroes — and all of those milestones were met. As a result, via Tails’ Channel, we have a plethora of brand new Sonic the Hedgehog series art to admire and scrutinize.

Sega concept art Sonic the Hedgehog YouTube Extra Life Sonic Adventure concept art Sonic Heroes concept art Sonic Adventure 2

Sonic Adventure concept art, using character models not wildly far off from what was seen in Sonic Jam on Sega Saturn

Sega concept art Sonic the Hedgehog YouTube Extra Life Sonic Adventure concept art Sonic Heroes concept art Sonic Adventure 2

More designs for Sonic’s first Dreamcast outing

Sega concept art Sonic the Hedgehog YouTube Extra Life Sonic Adventure concept art Sonic Heroes concept art Sonic Adventure 2

Sonic Adventure 2 concept art here and below

Sonic Heroes concept art here and below

Sega concept art Sonic the Hedgehog YouTube Extra Life Sonic Adventure concept art Sonic Heroes concept art Sonic Adventure 2

Movies revel in behind-the-scenes featurettes to load up DVDs and Blu-rays, but video games are frustratingly more secretive. A lot of it has to do with trade secrets and/or storing away ideas to maybe reuse in the future, but the result is often a raw deal for fans eager to learn more about their favorite video games.

These morsels of new Sonic Adventure and Sonic Heroes concept art from Sega give us a glimpse behind the curtain, and that’s terrific. And fortunately, again via Tails’ Channel, there’s more where that came from. Have a listen to some beta tracks from Sonic Adventure 2:

[Via/Via]

John Friscia
Head Copy Editor for Enthusiast Gaming, Managing Editor at The Escapist. I'm a writer who loves Super Nintendo and Japanese role-playing games to an impractical degree. I really miss living in South Korea. And I'm developing the game Boss Saga!

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