The video reveals 30 amazing details about the video game Batman: Arkham Knight. The details include:
* Easter eggs, such as a cameo appearance by Victor Zsasz and a reference to Metal Gear Solid
* Hidden items and locations, such as a small altar dedicated to Solomon Grundy and a Batgirl suit
* References to other Batman games and media, such as the 1960s Batman TV series and the 1992 animated series
* Clues to the presence of other DC characters, such as Wonder Woman and the Flash
* A periodic table with a fictional element from the DC universe
* A bench dedicated to Doctor Alex Holland, the real name of the villain Swamp Thing
* A bowl of food used by Bruce Wayne's dog, and a store called "Ace" which could be a reference to the Green Lantern Corps
* A locker with the symbol of the Atom emblem, and a reference to the DC superheroine Katana
* Clues to a potential Superman game, including a room in the Gotham Police Department with Lex Luthor's items.
The video showcases the game's attention to detail and the many Easter eggs and references that can be found throughout the game.
Here are the key facts extracted from the text:
1. Batman Arkham Asylum turned 10 years old.
2. Batman Arkham Asylum was the first installment of a series of games from Rock Steady.
3. Victor Zsasz makes a cameo in Batman Arkham Night.
4. Victor Zsasz first appeared in Batman Arkham Asylum in 2009.
5. The Joker parodies Metal Gear Solid in one of the loading screens in Batman Arkham Night.
6. On the island of the founders, there is a small altar dedicated to the villain Solomon Grundy.
7. In the clock tower, you can find the place where the Batgirl suit remains stored and hidden.
8. Completing the game on any difficulty unlocks a new game.
9. The code 0-539 refers to Batman's first appearance in a comic in May 1939.
10. If you enter the code incorrectly, Batman will burst the device that keeps the door locked.
11. On Blake Island, there is a small TV in a shopping cart that can be hacked.
12. The TV broadcasts "Happy Unicorn TV".
13. In one of the Porta Adams boxes, you can find Azrael's suit.
14. Azrael's suit is the one he used in Batman Arkham Asylum and Batman Arkham City.
15. Using detective mode with Barbara Gordon shows her severely damaged spine.
16. Barbara Gordon's spine was damaged by the Joker in the comic "The Killing Joke".
17. The Joker shot Barbara Gordon at point-blank range but did not kill her, leaving her incapacitated and in a wheelchair for life.
18. All the statues and posters in the city will have the appearance of the Joker when you're not looking.
19. The director of the game, September Tom Hilde, can be found in the cafeteria at the beginning of the game.
20. There is a mod that allows you to play as the 60's Batmobile.
21. The 60's Batmobile DLC pack includes many references to the 1960s Batman TV series starring Adam West.
22. In one of the tracks, you can break a barrier and access a small drive-in cinema to see the intro of the 1960s Batman series.
23. The bust of Shakespeare in the clock tower is a direct reference to the one used in the 1960s Batman series.
24. The cat head on top of the Shrek building is a reference to the 1992 film Batman Returns.
25. If you look at the arm of one of Javkin's thugs, you'll see a tattoo that is actually the title of one of the DLCs of Arkham City.
26. Posters of Bram Stoker's Dracula and Edgar Allan Poe's Mask of the Red Death can be seen throughout Gotham.
27. These authors and works have served as inspiration for the character of Batman and many stories in DC comics.
28. You can find works such as The Hunchback of Notre-Dame by Victor Hugo and fragments of The Phantom of the Opera by Gaston.
29. The floating head that appears when you complete a challenge is the Batman from the 1992 animated series.
30. If you remain too long with the psychosis mode activated when playing as Harley Quinn, she will begin to hear the voice of her other personality.
31. While fighting as Red Hood against Black Mask and his henchmen, Red Hood says a phrase taken directly from the 1992 Quentin Tarantino film Reservoir Dogs.
32. A guy with a Batman mask says the famous phrase "Heroes win" in a scene.
33. If you throw batarangs, many objects will have a unique sound.
34. You can activate a trick to make all characters' heads disproportionately large by holding down a certain button combination.
35. You can make it always snow in Gotham permanently if you complete Mr. Freeze's mission.
36. After completing the game 100%, you can find the corpses of all the victims in the cafeteria at the beginning of the game, including those of the game's developers.
37. However, you won't be able to find the corpse of Talia, who appeared in Arkham City, which could be a clue that she is really alive.
38. There are posters of the Grace Jones family throughout Gotham.
39. Barbara Gordon wears a necklace with the initials of the deceased family that has the shape of a circus tent.
40. You can find the symbol of Wonder Woman hidden in the Way Foundation and the Gota Gas Company.
41. The game gives clues about the presence of Red Hood and its relevance.
42. You can find the symbol of Red Hood in various locations and moments.
43. There are posters throughout the city that allude to the Flash, such as those from Kingston Strap.
44. The Piston character is a reference to Jay Garrick, the original Flash.
45. Queens Industries is a reference to Oliver Queen, who is actually Green Arrow in the DC universe.
46. There is a periodic table in Michel's where you can find an unknown element called Metal 115, which is a fictitious element from the DC universe.
47. Metal 115 originates from Thanagar, the place of origin of Hawkman and Hawkgirl.
48. In the botanical garden, there is a bench with a plaque in memory of Dr. Alec Holland, the real name of Swamp Thing.
49. You can find the bowl of food used by Bruce Wayne's dog in the store called "Ace".
50. Ace is also known as the Green Lantern Corps.
51. In the semi-calz, there is a locker with the symbol of the Atom emblem.
52. The Atom is a superhero with the true identity of Ray Palmer.
53. The club "Black Clan" would help me, and it is the name of the DC superheroine with whom she shares the same name.
54. There are many clues and references to Metropolis, the neighboring city of Gotham, Superman, and Lex Luthor in Arkham Night.
55. You can find a room in the Gotham Police Department that brings together all the weapons and personal items of the vast majority of villains defeated throughout the Batman saga.