So I went and seen this, I liked the other 3, and didn't know why there would be a fourth, but I had to see it. A gore movie with an interesting, unpredictable plot.

Saw 4 was decent, but I still think it was not needed. It left more loose ends and confused me somewhat. It is also taking the turn into "gore just to be gore" like hostel. That isnt needed,

Summing it up, this is a good movie, the others were great to me. The Saw series was finished, but now it cant stop yet. This movie cleared up minor details and made huge holes that sequels will have to fill in. Still an interesting movie and worth a watch though. Maybe 5 will be the ultimate finale?