Continuity mistake: Just after Stan and Dimitri have finished putting down their hunting equipment after entering the villa, Stan has his hands at his side. But when the shot cuts, his hands are in his pockets. (00:07:35)
Continuity mistake: When Stan and Dimitri first walk into the villa, just as Dimitri greets Richard, he has his shotgun placed over his shoulder. In the next shot, he is holding his shotgun with the strap placed over his shoulder, and the shotgun positioned behind his shoulder. (00:07:23)
Continuity mistake: When Jen sees Stan standing at the window, she gasps and has her hands raised to be level with her head. When the shot cuts, her hands are lowered. (00:06:47)
Continuity mistake: When Jen takes a bite out of the apple, she is holding it upright. In the next shot, she is holding it sideways. (00:06:45)
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)
Revealing mistake: There is a shot of Jen approaching the SUV with the shotgun raised to her face and looking through the eyepiece that is repeated a second time around a minute later, and a third time around thirty seconds after that, shown whilst she is approaching Stan after walking past the SUV. This is evident by the fact that the background, the position of the shotgun and her facial expression are exactly the same each time. (01:17:10 - 01:18:10)
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)
Other mistake: Jen breaks a flashlight against a rock and the glass lands on the ground beside it. Stan runs up and his bare right foot steps on the glass. However, given the rock besides the glass, tripping could not have been possible because his left foot would have bumped into the rock. (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)
Other mistake: When Jen shoots Stan in the head whilst he tries to run her over with the SUV, the bullet pierces through his head and through the back of the headrest. There is no bullet hole in the front of the headrest, shown when Jen approaches the SUV, even though there is one in the back. (01:24:30 - 01:25:05)
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)
Audio problem: Richard is standing in a small hallway trying to shoot Jen in the next room. He turns around to run down the hallway and shouts "Fuck", however his teeth are clenched and his lips don't move when he says the line. (01:41:05)
Audio problem: When Richard is running around the house trying to find Jen near the end, he is heard ferociously breathing and grunting. The breaths and grunts appear to have been dubbed in as Richard's facial and chest movements remain mostly still, which wouldn't happen if he was breathing and grunting that heavily. (01:41:10)
