Sega have announced details for Sonic's birthday sale on PSN and XBLA. The sale includes up to 50% off titles such as Sonic the Hedgehog 4: Episode I and Sonic & Sega All-Stars Racing.
On PSN there is also a Sonic the Hedgehog anniversary bundle that packs four Sonic adventures for £13.99/ €17.99. Titles such as Sonic & Knuckles and Sonic Adventure will be available starting from 240 points on Xbox Live Arcade.
The sale starts on June 23 and last until June 28, with the exception of the PSN anniversary pack that remains on sale until July 12.