I cant display in preview large pixelized fonts like in old Commodore 64 style fonts.
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Please check on yours Construct 2 this font dl.dropbox.com/u/44710358/Commodore_Pixeled.ttf
Not all fonts are supported by the Construct 2 editor. It doesn't matter though, because very few people who play your game on the web will have that particular font installed so it won't show anyway. Use Web Fonts instead.