Death Tube, as you predict, is similar to Saw movies and the like. This one is not so horrible-looking though. It does contains bloody scenes but other US films is much much more brutal.

The story is what I like in this movie. It is common, people gets drag into a game which requires them to kill other players. What impressed me is the idea of YouTube. What disappointed me is their movie effects. The blood used are obviously a fake, no much effort.

The acting did not make a good impression at all. All of the casts are not popular. They did their best but really, I'm not impressed.

Music is fine. Most of the scenes does not have sound because it will only ruin the mood.

Rewatch value is 7. I will watch this again some time, and will likely make my friend watch this too.

Overall, I give the movie a fair score.