I would suggest either having a default difficult being easy, and if people want to be challenged they can increase it, or try to balance how much of the game requires strong twitch skills.
Access includes a Navigation Control that makes it easy to switch between various forms and reports in your database. A navigation form is simply a form that contains a Navigation Control. Navigation forms are a great addition to any desktop database.
Methods inherited from the base/super class can be overridden only if behvior is close enough. The overridding method should have same name, type and number of parameters and same return type.