Rendition is nominally a portrait of Abdul, failed suicide terrorist taken captive by a Western army. However, it is impossible to actually get to know Abdul as a person, since the two of you don't speak the same language and the only way of interacting with him is through violence. This, of course, is exactly what the work is all about.
Although it is hard not to sympathise with the political message behind Rendition, the work suffers somewhat from being too obvious. After the first few moves, the player will have formed a pretty clear idea of what the piece is about and what limits to her own actions are, and there is little left to actually shock the player or make her think about political issues.
I think the piece will be more powerful if it is incorporated into a larger work that poses as a game. It could be the epilogue to a thrilling, puzzle-based chase after Abdul which allows us to understand why both Abdul and the protagonist think their causes are good and righteous; then, the sheer pointlessness of the interrogation and the impossibility of communication might have more shock value. My advice to the author is to think about extending Rendition along those lines.