It seems that SEGA didn’t want to miss out on this most recent wave of impromptu iOS sales and have just dropped the price of a number of their paid Sonic The Hedgehog-starring titles to just 99¢ each including the original Sonic The Hedgehog, Sonic CD and more.
The full list of sale titles is included below:
Note that App Store prices fluctuate frequently and there can be some propagation delay, so the prices above may not be correct. Always make sure that the price is correct before clicking ‘BUY’.