The G is for Great, by the way. :3
Post-comments: holy shnitzels! Another user named Devifoxx made a translation of the game's intro. Check it out there : http://ca.youtube.com/watch?v=Aa8mbSoqWlY
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Susume! Driller! (すすめ！ドリラー！Susume! Dorira!), referred to as Dig a Change by American fans, is...