This achievement can be obtain VERY EASILY! Upon downloading and starting up this free XBLA title you will be sent to the main menu. There you will be prompted to choose from Single Player, Multiplayer, Leaderboards, Achievements, Help & Options and to Exit Game. You'll need to choose Help & Options. You will then be prompted to choose from How to Play, Controls, Settings, and Credits. You'll need to choose Credits. Upon selecting it, you will be welcomed by a lovely noise of *Bleep Bloop* and you will net 10G for this easy 200G arcade game!
I hope this guide helps out anyone who needs this achievement! :D