Hated all the jiggly camera rubbish. Liked the basic storyline and reasonably clever ripple effects. If you just want a teen entertainment time travel film, The Butterfly Effect does it better. If you want a really great time travel film, then you need to watch the Spanish film Time Crimes, or better still the low budget masterpiece Primer.

Overall, this was a pretty good movie. The plot was a little predictable (ironic) and there were several continuity and logical errors made. The biggest was simply the time travel concept. Changing the past for one person changes the future for everyone on the planet immediately. Instead, it took a few trips for the effects to be made evident. On the flip side, a good bit of the science was good and correct. Seeing one's self in the future from the past (entropic cascade failure), you being the only one(s) to remember past events that now never happen, etc. This was all theoretically correct. But their problem with finding hydrogen? That is a simple science. Water and electricity. Considering the amount of power going into that device, some of it could easily have been siphoned off for hydrogen generation. Oh well. Also- the instances with the camera. If he went back in time to destroy the time machine, then by the rules of causality he would disappear along with the camera and time machine (the movie only did the character and time machine). Somehow, the camera stayed there for who knows how long until the tape expired. Then, it presumably kept running until the battery went dead. The fact that he was able to turn it on in the future and the "original" from that timeline suggest this line of events essentially is repeating itself over and over. Based on this prospect, it could be assumed that the entire universe/their entire reality is stuck at this point in time and never moving forward- only going back on itself multiplying the number of times this kid recorded the series of events and then going back in time again to destroy the equipment all while leaving the camera recording and waiting for the next future self to turn it on, watch it, and repeat the series of events again in an infinite loop. Wow. That was a huge rant there, but enough said about that. Anyway, good movie for the action, but it could have been better on fixing the continuity and logical mistakes.

This is a movie so stupid that I felt personally offended while watching it. The depth of stupidity in pretty much every line of dialogue and every scene in the movie is remarkable. I don't understand how anyone can make a movie like this by accident, I refuse to believe it, so I think it was made this badly on purpose, it's basically a trolling movie. Why do I think that? Well, if one is so incredibly incompetent and untalented to only be able to come up with a movie this bad, it's reasonable to assume they would not be in a position to make a movie in the first place. However, somehow, these people got the opportunity. I know many movies are made with zero care about the substance and their sole purpose is to make money. I understand that. But those are usually lighthearted comedies or mindless highschool dramas. When a movie is SO DAMN up it's own a** and tries to present itself as a movie about a highly intellectual topic, but at the same time is incredibly stupid on every single level, then I don't understand it. This is a movie that made me feel like the people who filmed it were trolling me, like they were laughing and pointing fingers at me because I was naive enough to keep watching the crap they came up with. They make these teenagers talk and behave in such a way that it makes them seem so deeply dumb that I would be impressed if any of them could replace a lightbulb, yet they solve one of the most complex problems in existence, while not even paying that much attention to it. Everything that happens in between is just horribly badly thought out and shows that the filmmakers imagined the viewers would have IQ's around 60 and absolutely no understanding or knowledge of anything around them. That's the only way you can watch this garbage and not feel offended or not understand what's so wrong with it. I'm afraid to imagine how dumb one has to be to actually enjoy watching this, but ok...It's an insult to intelligence, insult to common sense, insult to science and to the movie industry.

I was walking out of the room within 30 minutes of this food om which even for a mediocre film is something I rarely do. Where do I even begin? Ummm well it starts off okay I suppose but then the characters just are the most forgettable stereotypical teens you could find in a teen flick and to top it off kind of hard to like. I mean seriously the idea seems okay on paper but then you find "not so spoiler alert" that they find a time machine with instructions on how to make in their basement so what do these jackasses go and do? They go rob the school of some hydrogen like juvenile delinquents and go grab a random ass Xbox 360 and take it's batteries and it's just cringe from there.By the way it's no wonder to me why the "leader" only got a partial scholarship to MIT, because no one with common sense would do even remotely close to any of the stupid things the main character did. Then it has the stereotypical "get the girl crush" thing that feels outdated as the camera style it is using and after they finally go back in time to "yesterday" I just could not take anymore of the fecal matter that is this movie. The characters are annoying and lack any real depth and seem like poor copy and pasted characters from other better films at best, the premise feels worked to death, the camera work is just awful,and the plot as a whole is paper thin if you want to call it a a plot "Like oohh I found my dad's instructions in how to make a time machine in my parents basement Derp, rather than do something semi-intelligent with it I'll use it to get girls like Brian Griffin from Family Guy". I could almost forgive all that if the movie wasn't taking itself seriously like in the case of Sharknado for example , but it's instead actually trying to cast itself as an intelligent film and that's my biggest problem with it ultimately is it's just comes off as dumb as a bag of hammers.Maybe found footage films are just not for me or something but with the exception of Cloverfield and even it wasn't a perfect film by any means, I've yet to really find any found footage film I've liked. Overall it is nothing but a silly but terribly obnoxious mess of a film and I highly recommend burying it somewhere in the desert.