Don't Chat With Strangers

Don't Chat With Strangers is a hard-to-describe-sort-of-horror-permadeath-puzzle-game mostly taking place in a single room.

The main character in the middle of the night is approached by a strange girl in an online chat. It quickly turns out that he is in grave danger - the player's task is either to survive and find out why the girl is bugging the protagonist, or kill the main character in a multitude of different ways