Several “Sonic the Hedgehog” titles for iOS are currently on sale.  Please see below for the breakdown of deals!

iPhone

Sonic the Hedgehog 2, regular $2.99 – now 99 cents
Sonic CD, regular $4.99 – now $2.99
Sonic the Hedgehog, regular $2.99 – now 99 cents
Sonic the Hedgehog 4, regular $3.99 – now 99 cents

iPad

Sonic the Hedgehog 4 (HD), regular $4.99 – now $1.99

Universal

Sonic CD, regular $4.99 – now $2.99
Sonic the Hedgehog 4, regular $6.99 – now $4.99