This scathing movie review is a cross-post from my non-gaming blog. The movie is so stinky, I felt compelled to place the review here as well to maximize exposure.
If Peter Jackson had attention-deficit disorder, 
and was doing a lot of meth while  making the Lord of the Rings films, we now know what the results would  have been like. They would have been just like the new remake of 
Clash of the Titans.
It's  kinda pretty at times, but that's the most I can say for it. It's not  so much exciting as it is spastic. Within this film, things happen for  arbitrary and senseless reasons, and they do so as quickly as possible.  Most of the fight scenes are the action-movie equivalent of a Jackson  Pollock painting. It may be pretty, and it sure has a lot going on - but  what looks from a distance to be detail, on closer examination turns  out  to just be random splatters without meaning.
"Let's put Treebeard in the desert! Then  we'll have him ride around on  the back of one of those giant elephants.  When he gets off the elephant, he'll do some kung-fu, then we'll wrap a  giant snake around him, and then he'll explode!"  It's like   that, except the giant elephant has been replaced by a Scorpion of   variable size, and Treebeard is wearing Iron Man's neon-blue heart   implant. Don't ask me why, none of it made any sense. I still can't  figure out why the freaking Ents were even 
in Clash of the Titans. They're not in the 1980's  version, and they're not in Greek myth either, and their inclusion is  completely random - but the same thing can be said about almost every  element of this movie.
The film is really shallow, too, and  it features characters we neither care about, nor believe in. At no  point during the film did I want Perseus to succeed at his stated goal,  but neither did I particularly want him to fail. Most of the time, I  just didn't care. It's not like he was fighting against a villain. 
The film pointedly has no villains. I  mean, there's Calibos, he seems pretty bad, but when you think about  it, he's just angry because Zeus raped his wife and Hades took advantage  of him. His actions are deplorable, but his motivations are basically  the same as the Hero - he's rebelling against that bastard Zeus. But  Zeus isn't the bad guy either, as the film ham-handedly reminds us  during its hard-to-swallow happy ending. So that must mean Hades is the  villain, except the film points out to us again and again that Hades is  only so bitter and manipulative because Zeus tricked and betrayed him.
I'm  a big fan of "shades of gray"-style moral ambiguity in a film, but in  the 
Clash remake, this is done  really sloppily and never fully explored. We're never torn over what is  the right thing to do, and neither are any of the characters. Instead,  we're just given mixed messages about who really is the monster, and  then quickly distracted from contemplating any of it by yet another  incomprehensible action sequence. 
Hey look - a harpy! WTF?
In this film, the main character,  Perseus, has 3 fathers:
- There's the mortal fisherman who  raised him as his own. Shortly before he dies, he tells Perseus that  what he really wants his son to do is to stand against the Gods, and  change the world so that mankind will no longer be enslaved by Olympus.  Perseus starts off to fulfill his father's last wish, and then kind of  abandons that goal without ever saying why.
 - There's Zeus, king  of the Gods, who raped Perseus's mother, and then abandoned the  resulting child. But he's not the bad guy, we are told again and again.  After 20 years of being a dead-beat dad, he's now trying to make up for  it. His wish is for Perseus to take his rightful place in Olympus, but  Perseus declines that opportunity both times it's offered to him.
 - His  third father is the asshole who killed his mother and tried drowning  him as a child. Later, he turns into a real (as opposed to just  figurative) monster, and tries to slay the adult Perseus. Obviously,  that won't do, so he's killed by his step-son Perseus. His dying wish  is, strangely enough, for Perseus to not become a God, and stay away  from Olympus. It's delivered very oddly, practically "I know I've been  trying to kill you, but it's for your own good. Please don't become a  God, because that'd be really bad for you, and I'm worried about your  future and the fate of humanity." It's a really lame attempt at a Darth  Vader redemption, made all the weaker by the fact that the director  doesn't feel compelled to give it more than 3 seconds of screen time.
 
So,  of course, the mutated, mother-killing, trailer-trash monster of a  father gets his dying wish fulfilled by Perseus. The film tries hard not  to draw attention to this fact, though, and instead just sweeps it  under the rug. 
It's  like they're playing thesis-statement roulette, with a new winner every  five minutes.
The  worst part of the film, however, is the hackneyed attempt at  foreshadowing that then gets abandoned and forgotten at the end,  ret-conning itself into a red herring. I'm talking about the warning of  the 
Stygian Witches. They go to  see the witches, these three inhuman blind seers of great wisdom and  insight. On the way there, Io (Perseus's shallow and unbelievable love  interest) spends several minutes ominously warning Perseus not to ask  any more questions of the witches beyond the obvious "how to kill the  Kraken" question. She says he won't like the answer he gets, and it's  really played up as a big deal, like there's something nasty in his  destiny.
Sure enough, the witches drop a doozy on him. 
They prophecy that he's going to die while  fighting the Kraken. The music swells dramatically, and Io says  something like "Oh, Perseus! I told you not to ask them anything else!  This is so tragic!"
Then the end of the movie rolls around, and  he doesn't die. In fact, he's never even wounded, and you don't feel  he's actually in a lot of peril. Apparently, the all-knowing magically  gifted witches were just screwin' with him, not actually foretelling the  future. Despite the prophesy scene having be played up like it was a  really important plot point, there's no mention of it at the end of the  film, it too is just swept under the rug.
Now, it's possible that  the film is just being unexpectedly subtle at the end. I doubt it,  because everything has been in-your-face and beat-over-your-head before  that point, but there's a remote chance it was actually a clever ending  that was just so subtle it failed. Because, frankly, the last 5 minutes  of the film would make a lot more sense if it were actually a  far-subtler version of the end of Brazil (or the recent movie Repo-Men).  Here's what I mean:
Maybe, just  maybe, the Kraken actually kills Perseus. At the very end, he  dives into the water in a harbor to save some girl that's almost  certainly dead. After expressing her willingness to be a human  sacrifice, she's fallen hundreds of feet into the water, and 80 tons of  rock is falling on her. The harbor is between two steep cliffs, with a  city built into them. The scenery and location were a prominent part of the scene.
He and the girl are next seen on a flat and  featureless beach, and rescue ships are on the horizon coming to take  the girl home.  Maybe Perseus rescued her, swam several miles away to  some nearby island, and somehow signaled the survivors in the devastated city that  they needed a rescue. That seems to be what the film is saying. But I  suppose it's also possible that he and the girl both died, and the  featureless beach is Elysium / Heaven / etc. If that's what the movie  was trying to convey, it did a piss poor job of saying it, but I can't  completely rule it out. At least it would have made a lot more sense than the  happy ending they seem to be trying to shove down our throats.
I  could go on like this for a few pages more, there's just so much wrong   with film. Io's supposed backstory didn't match her on-screen powers. Hades make-up was inconsistent and laughable. The CGI critters kept changing size relative to humans. The Kraken came from Cloverfield. Etc.
I suppose maybe I should have put some spoiler  warnings at the top of this post... but I think if I just "ruined" the  movie for you, I was probably doing you a favor.