This is a little crossover with the Secret Society. But it can be overlooked just the characters.
Summary/Prologue
Dipper, Wendy, Daniel, Stan, Mabel, and Chloe are hanging out at the Mystery Shack. Gideon is stalking Mabel, so is Robbie but with Wendy, and Pacifica is teasing Mabel when the power goes out and for some reason the door knob is stuck.
Mabel suggests playing Truth or Dare, and since no else has anything better to they play.
So you decide what they do and review with OCs as hosts. ONWARDS AOSHIMA!