Even great games can include design errors.
Here’s a list of things not to do.
These are all the Twinkie Denial Conditions described in my “Bad Game Designer, No Twinkie!” Designer’s Notebook columns. Each one is an egregious design error, although many of them have appeared in otherwise great games.
I've only read a few articles so far, but it was time well spent, and I'll be back for more.