The first is pretty simple (compared to the rest).

A title screen with the normal options located at the bottom of the screen. Selecting any of th options should lead you to the respective options.
New Game Continue Tutorial Exit
Next the New Game+ Option

This is a title screen that is unlocked at the completion of the game. The New Game + content should lead you to a new game in a different location with a new party.
New Game New Game + Continue Tutorial Unlocked Content Exit

This is not all I'd like a secret code. If a series of buttons are pressed enemies will be easier/harder/more intense.
Finally the unlocked content part should look like this

The options should be unlocked when you do something in game or in the new game+. So, the unlockable content shouldn't be available automatically. If the content is unavailable the content should be censored so instead of seeing
Concept Art
The player should see...
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