They are completely spontaneous. The patterns we create with our bodies and the movements we go through are fluid, and so familiar to me that I lose myself into a process of creativity that I don't personally control. If I listen to the music and feel the energy of the other person, then my body knows how to respond. In that moment, I feel a buzz and a rush. There are several types of capoeira games.
Fighting games are close, with no fancy moves and more straightforward kicks.
Other games involve flips, and even spinning on the head and hands. This type of game shows common influences between break-dancing and capoeira. We don't train to hit each other. If you see energy coming, you dodge it and move away. If you were to come after me, I would probably run, but if you trapped me, I could kick and hurt you.