This is a hacked version of Shining Force II (USA) for the Sega Genesis. The 'Obob v1.01' hack specifically introduces a 'Challenge Mode,' altering the gameplay experience and likely increasing the difficulty or adding new challenges for experienced players. It is important to note that this is a fan-made modification, not an official product.

Shining Force II (USA) [Hack by Obob v1.01] (Challenge Mode)

Shining Force II - Koe no Fuuin (Japan)