"Human interaction is like a game: prisoner's dilemma, coordination, chicken, etc."
The linked paper has some other analogies as well as list of 9 rules on what constitutes an appropriate analogy.
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.