If you were playing video games back in 1991, then chances are you would have played the very first Sonic the Hedgehog game on the Sega Megadrive.

Today Sonic turns 20, and to celebrate SEGA has announced a sale of Sonic titles currently available for PlayStation®Network and Xbox LIVE® Marketplace for the Xbox 360® video game and entertainment system from Microsoft.

From 23rd June through to 28th July, downloadable titles and add-ons including Sonic the Hedgehog™ 4 Episode 1 and Sonic & SEGA All-Stars Racing™ can be purchased with up to 50% off!

The Sonic the Hedgehog anniversary bundle is available until 12th July on the PlayStation Network, providing gamers with four complete Sonic adventures for only AU$ 27.99.

Sale-priced Sonic titles on Xbox LIVE Marketplace are available with up to 50% off including popular titles such as Sonic & Knuckles™ and Sonic Adventure from 240 Microsoft points until 28th July.

For more details about Sonic’s 20th anniversary visit www.sonicthehedgehog.com.