Answer:
Write pseudocode and create a mock-up of how the game will work and look
Explanation:
Since in the question it is mentioned that Adam wants to develop a new game for this he made an outline with respect to game functions needed, time period, people who help him.
After that, he writes the pseudocode i.e a programming language and then develops a model i.e mock up that reflects the working of the game and its look so that he would get to know how much work is pending.
Family and Friends
you said the answer was that, soooooo