This will include samples of a game or even a limited playable demo of a title that will assist us in deciding if we will provide a review for a product. (blastawaythegamereview.com)
They have promised that there will be a 30 minute playable demo for this up and coming master version of the game. (gamerassaultweekly.com)
If the games are far enough along to have playable demos at E3, it will be ready by holiday 2013. (nintendotoday.com)