You did however post the clue for 13a
The clue for 12a was Reportedly prohibited a group of players not american, one in new cult existing in reality :-)
How could 12across be attain when you had A?T?A?, creamegg? Do you not think you would do better to try and get some answers yourself when you have been other answers that will undoubtedly give you more letters? It really is all about the prize rather that the crossword for you, isn't it?