The summary is:
The user is playing a horror game called At Dead of Night, where they have to explore a haunted hotel and communicate with ghosts using a device. The user is trying to find out what happened to a ghost girl named Amy, who was killed by Jimmy, the antagonist of the game. The user has to ask the right questions and make connections between the clues they find in the hotel rooms. The user also has to avoid Jimmy, who can chase and attack them. The user manages to complete Amy's story and finds out that Jimmy pushed her down the stairs. The user then moves on to another ghost, Dr. Bose, who was a psychiatrist that tried to help Jimmy. The user uses a scrying mirror to get hints about where to go next. The user comments on the game mechanics, the story, and the scares throughout the video.
Here are the key facts extracted from the text:
1. The narrator's name is Markiplier.
2. Markiplier is playing a video game called "At Dead of Night".
3. Markiplier is exploring a hotel and interacting with ghosts, including a ghost named Amy.
4. Amy is scared and needs Markiplier's help.
5. Markiplier finds a sword that belongs to Jimmy, a character who is threatening Amy.
6. Markiplier discovers that Jimmy pushed Amy down a staircase.
7. Amy is trapped and cannot wake up.
8. Markiplier completes Amy's storyline and feels a sense of closure.
9. Markiplier uses a scrying mirror to receive visions and clues to progress through the game.
10. Markiplier encounters a character named Dr. Bose, who communicates with him through a vision.
11. Markiplier finds a collection of whiskey bottles in one of the hotel rooms.
12. Markiplier discovers a blood-stained cloth in one of the hotel rooms.
13. Markiplier uses a key to unlock doors and progress through the game.
14. Markiplier encounters a character named Jimmy, who is a threat to him and Amy.
15. Markiplier uses a compass to navigate the hotel and find clues.
16. Markiplier goes up to the third floor to investigate the stairwell and find more clues.
17. Markiplier assumes that all the ghosts in the hotel are dead.
18. Markiplier saves his progress and plans to continue playing the game.