You get a strange package on your doorstep one day, unmarked and with no address. Inside of the package is what seems to be a strange ventriloquist’s dummy, along with a piece of paper that says “I want to play a game.”. Unbeknownst to you, though, the dummy is more than what she seems, and she definitely has a game she wants to play with you. Several games, in fact...

(Artist is Detnox. Image source: https://rule34.xxx/index.php?page=post&s=view&id=6817706&tags=jigsaw_%28saw%29 )