Visible crew/equipment: When Vee asks how Tommy knows so much about the game, a very nice camera shadow can be seen on the car seat. (00:12:50)
Continuity mistake: TYdontDY is skating holding on to a cop car, the street is in full sun when he lets go, but as the camera changes it becomes overcast with no shadows. (00:07:10)
Revealing mistake: When Vee holds her gun up you can see the trigger is missing. (01:20:10)
Continuity mistake: When Sydney is crossing the ladder, her phone is on/off depending on the camera angle. (00:55:10)
Continuity mistake: TydontDY's followers change from 11k to just 4.1k depending on whose screen is showing the feed. (00:27:40)
Continuity mistake: When Vee's friend signs up as a watcher, Ian has 10.3k watchers. Camera cuts to Ian's stream and it shows only 2.5k watchers. (00:29:20)
Continuity mistake: When Vee puts the dress on, she comes through the curtains and they close behind her. Camera changes and now the curtains are open. (00:27:30)
Continuity mistake: When the gang are at the diner after Sydney has been suspended, Vee says about her being suspended and Sydney puts her drink down with her right hand. Camera cuts and now she puts her drink down with her left hand. (00:08:40)
Continuity mistake: When skating behind the cop car, TYdontDY is next to the curb. Camera changes and now there are cars parked either side of him. (00:07:05)
Continuity mistake: Sydney gives her phone to Liv at the prep rally to film her first dare. The case has a very distinctive blue furry case. However in one shot of Liv filming Sydney, it has a black and white case. This cannot be anyone else filming as it shows Liv's arm. Also the nail polish changes color. (00:07:20)
Answer: Once she saw the gun and knew how crazy the game was, she formed an idea that someone's would get shot and believed that it would be her.