Boulder Dash Greed
Original title: Boulder Dash
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Puzzle 
Gametype: Hack
Players: 1
Hacked by: Dragon Eye Studios
Version: Patch v0.8
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This is a hack of Boulder Dash, a fairly obscure game for the NES. New levels have been added using "Quarry" the Boulder Dash level editor created by Dan.

http://www.zophar.net/hacks/nes/boulder-dash.html