Aesthetics
Although you don't need you to become a professional art, you still have to accept some basic art training. We have seen too many games in the artistic style, basically a mold. Due to the lack of basic aesthetic concepts, they can't determine their own game art style, just simply imitate the existing game, causing the situation above.
Do your best to learn some basic art knowledge. These knowledge will have a great help to your game. You have more knowledge in art, the more you can make something different in the art style.
common sense
There is no doubt that the more things you know, the more you want to design the game.
A very important thing in the game design is ideological. A excellent game designer should be able to take out 10 game ideas at any time. Where did these ideas come from? Creativity comes from the messy knowledge in your head, any idea of any craft machine is not possible, there is a saying, "I have a good time," I have a source of water. " A large number of knowledge that usually accumulate is a creative soil. (About creativity, another article elaborated)
The game is an artistic form from some degree, and the artistic form is always a reflection or abstraction of reality. Almost no thing can't play a role in the game. On the contrary, if the designer's knowledge is scarce, the game he designed will usually be very boring, monotonous, the idea is simple, lacks an excellent attraction.
writing ability
This is very important for game designers. The role of the game document is in the development process, but it is not too much. If the game designer can't complete the high-quality document, then he is not a qualified designer.
A usual mistake is to write a beautiful sentence, people with appetitious sentences are people with strong writing skills. That is not true. Reform the words are a capability, but this ability belongs to the "writing style". In general, this ability requires a long time training, a person who has been educated for many years, it is difficult to change his in a short time. Writing style. Whether the article is easy to understand, what is more needed to organize its structure. Fortunately, this ability can be improved in a short period of time. In this regard, "Pyramid Principles: Logic of Thinking, Writing and Solving Problem" This book has a very good elaboration. It is recommended that everyone who needs to write documents is seriously learning this book.
Drawing ability
"One picture wins thousands of words", in order to communicate with others, good writing ability is not enough, mastering basic drawing capabilities is necessary. Drawing capabilities don't need to look good to you, but you need to have such a capability: you use the picture to intuitively express your thoughts. It's very simple to draw pictures, so many auxiliary software can help you.
Compromise
Like any design activity, the game design is an art of weighing. Sometimes, how do you do it? Most problems have been working hard, they can always find solutions, difficulty is a complex problem, what kind of solution we choose? How to make the right choice under various constraints?
Summary: The game is a comprehensive art, all knowledge is useful for game production. The more skills you have, the more interesting the interests of your game, you believe?