To celebrate Sonic’s 20th birthday, Sega has all Sonic titles on XBL and PSN 50% off. Now is a great time to pick up Sonic 2 on XBLA.

From the press release:

    To celebrate the 20 years that have passed since Sonic the Hedgehog first sped into living rooms the world over, SEGA® Europe Ltd. Inc. today announced a sale of Sonictitles 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 £13.99/ €17.99/ 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.