I think its a good idea, making different versions of a game is a good idea because you can compare it to the real game and what you changed. What i like to do is make a version of a game that suits what i wanted in the original
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sounds good. in case you don't have a good screen shot of the pacman board i've uploaded one here for people to use:
http://scratch.mit.edu/projects/Cyfarwyddyd/193397
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you can if you want, but there are so many pacman games on scratch that you would have to make it better than the rest to get a lot of views
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