In the opening chase, Chad's snowboard changes color from yellow to blue by the time he is downhill.
When Kirk realizes Chad is meeting them at the Lodge, he takes the cigar out of his mouth twice.
When Kimberly gets out of the hot tub she is completely dry.
As Robyn knocks the Evil Skier off the moving chairlift, one of the shots of the fall reveals the chairlift to be stationary.
While Skyler is on the ground talking to Shelly, the snow on his mask and forehead completely disappears.
When Skyler gets the poker driven through his camera and into his skull through his eye socket, there is a ridiculous amount of blood that comes pouring out through the camera. In reality there is very little blood flowing through this part of the body/head.
When Cole pulls back the shower curtain, when Kimberley is in there showering, and as she turns you can see beige tape covering her nipples.
The "abandoned" ski area has groomed runs, especially noticeable when the lights are turned on for the first time.
As Cole walks up to the lodge for the first time, the power cord that is enabling the crane can be seen in the snow.
Seattle is misspelled in the end credits as "Seatle".
As Robyn reads from the guide book in the car, her lips do not match her dialog.
When the group is en route to the Ski Lodge, all of the dialogue in the car is obviously dubbed. Most notably, none of Skyler's dialogue matches his lips in the car. Some of the other characters dialogue also does not match their lip movements, either.
When Robyn is reading from the brochure in the car, three crew members are reflected in the car window.
At the end of Kirk's solo snowboard run, a camera operator on skis can be seen entering the left side of the frame.
Reflected in the glass when Kimberly is out of the shower and Cole is telling her how excited he is about the trip. The boom mic is also reflected as Kimberly and Cole speak.
After Cole and Pike fall while sharing the snowboard one of the crew members' shadows can be seen moving.
When Kimberly joins the group at the ski lift for the first run, a crew member in black can be seen on the left edge of the frame.
As Kimberly is explaining the history of the lodge, the shadow of the boom mic can be seen moving on the wall beside the window.
When the snowboards are being unloaded from the car, the boom mic is reflected on one of the panels.