Your favorite blue hedgehog is turning 21 years old on June 23rd, and to celebrate SEGA has temporaraly dropped the price of their Sonic titles by up to 70 percent! Including the spectacular Sonic 4 Ep 2 and Sonic CD.

I highly recommend picking up the Sonic CD port, as well as the latest Episode of Sonic 4. Both are very well done and are universal.

iOS Universal

Sonic The Hedgehog 4: Episode II ($4.99)
Sonic CD ($2.99) 

iPhone

Sonic The Hedgehog ($0.99) 
Sonic The Hedgehog 2  ($0.99) 
Sonic The Hedgehog 4: Episode 1  ($0.99) 

iPad

Sonic The Hedgehog 4: Episode 1 HD ($1.99) 

The sale is going to last until June 22nd, so make sure you take advantage of these awesome prices.