Cinematic platformer developed by Blizzard Entertainment, released for the SNES, MS-DOS, Sega 32X, Mac OS & GBA. This release is only natively available for Windows and runs the MS-DOS release using DOSBox.
https://us.battle.net/account/download/
You don't require a Battle.net account to download the game and considering it's a classic Blizzard game, I'm fairly sure you don't need a Battle.net account to play.
We got a Blackhawk download