Continuity mistake: When Jen is filling up a glass with water, her left hand is shown holding onto the glass and her right hand cannot be seen in the shot. When the shot cuts, her right hand is suddenly next to her left. (00:06:35)
Continuity mistake: At the start of the movie when Jen is looking out the big doors she sees the 2 men and drops the glass on the floor which smashes. 2 minutes later all 4 are walking over the floor as if the glass wasn't there at all. (00:06:47)
Continuity mistake: When Jen shoots Stan in the shoulder, blood splatters on the back seat window of the SUV. It then cuts to Stan falling down and there is no blood on it. A couple seconds later, a blood splatter has suddenly appeared on the passenger seat that was not there earlier. (01:16:30)
Continuity mistake: When Jen falls over after shooting Stan, there is a quick cut where a strand of hair is shown suddenly going over her eye that was not there in the previous shot. There is then another quick cut, and the strand of hair is suddenly away from her face. (01:16:35)
Continuity mistake: After Jen shoots Stan in the shoulder, she stands back up and looks through the eyepiece of her shotgun. The petrol can Stan was using to fill the SUV with is on the ground beside the right rear tire. When Jen walks up to the SUV, the can is now behind the car. (01:16:50)
Continuity mistake: When Jen is approaching the SUV after shooting Stan in the shoulder, there is one shot where the gun she is holding is raised with the eyepiece almost level with her eyes. It then cuts a shot from behind her, where the gun is away from her face. Then when it cuts again, the gun is raised again. (01:17:10)
Continuity mistake: Whilst Stan is chasing Jen, after she smashes a flashlight light against a rock, he is holding a rifle with both hands. The camera changes angles to a closer shot of him where his right hand is suddenly swinging freely. (01:20:35)
Continuity mistake: Stan slips on a few pieces of broken glass and lands on the ground in a 12 o'clock position. The shot then cuts to Jen, but when it cuts back to Stan, his body has suddenly rotated closer to a 10 o'clock position. (01:20:45)
Continuity mistake: When Jen and Richard are shooting at each other, there is a shot from directly behind Jen where she is taking cover behind a chair and pointing the shotgun directly forwards toward Richard. The camera changes angles where the shotgun is pointed towards the right. (01:37:05)
Continuity mistake: When Richard is firing shots at Jen after she tries to shoot him, he is standing in a small hallway and walking backwards. To his right, there is a rectangular shaped design of some sorts on the wall. At the end of the shot, he has walked past it and is standing beside a part of the wall that is bare, but stained with blood. The camera changes angles and he is suddenly standing beside the rectangular shaped pattern again. (01:41:05)
Continuity mistake: Richard begins running down a small hallway, where there are some blood stains shown on the wall. These change appearance when Jen runs down the hallway a few seconds later. (01:41:05)
Continuity mistake: Whilst running through the hallway, Jen slips on some blood and falls over. The shotgun lands on the floor right next to the wall. Two quick cuts after, the shotgun has changed position, moving to a different part of the floor. (01:41:40)
Continuity mistake: When Richard has Jen pinned against a wall, the POV shots of Jen facing Richard show blood running down her field of vision, but in the other shots, there appears to be nothing covering her eyes at all. (01:42:25)
Continuity mistake: When Dimitri is attempting to drown Jen in the river, she takes his knife and stabs him in the eyes twice. The first time, she stabs him in the left eye. The second time, she stabs him the exact same eye and lets go of the knife. It then shows Dimitri with a stab wound in his left eye and the knife in his right eye, even though it should be in his left. (00:46:05)
Continuity mistake: When Dimitri pushes over Jen after she tries to shoot him, she lands on the ground. In the long shots, her arm is in the water, but in the other shots, she is on the land. (00:44:45)
Continuity mistake: In the cave, Jen cracks open a can of beer with her left hand. The camera changes angles to a close-up shot and she is using her right. (00:50:35)
Continuity mistake: When Jen is in the cave, she opens a can of beer and foam begins to spill down the side of it. The shot cuts and the foam has suddenly disappeared. (00:50:40)
Continuity mistake: When Jen has finished having a drink of beer in the cave, she puts the can down and has her left hand on the wound from where she was impaled by the tree branch. In the next shot, her left hand is suddenly on the ground. (00:50:50)
Continuity mistake: When Jen attempts to remove the tree branch from her body and fails, she lies down on the ground. When the shot cuts, she suddenly has her head lying on her hand, even though it was not there in the previous shot. The position of the locket also changes between shots. (00:51:40)
Continuity mistake: When Stan runs back to the SUV after he discovers Dimitri's body in the lake, there is a blood stain on the windshield from where Richard had dumped an animal carcass. The appearance of the blood changes between shots. (01:00:10)
