shotgun in flower box
In the film's opening, Tequila plays a tune as a newspaper montage catchs the viewer up on some of the story that takes place before the film, just like in The Godfather, after Michael Corleone performs the assasination in the resturaunt
One of the main characters leave Origamis
The single-shot pistol that Philip Kwok (Mad Dog) uses is a Thompson Center Contender, featuring interchangeable barrels of different calibers. It was later used in Hard Target.
One of the character is named Tequila (played by Chow Yun Fat in Hard Boiled) and the main character mimics Chow Yun Fat's moves during the last shootout.
upon picking up a second Uzi, Lo Wang will say, "Be proud, Mr. Woo."
Video case is shown in a video store.
the gun face-off
In both movies Tony Leung plays an undercover cop who infiltrates the mafia
One of the difficulty levels is called "Hard Boiled", after the Chow Yun Fat movie of the same (translated) name. The first Max Payne game referenced Hard Boiled in this way too.
various bits from the warehouse encounter in Hard-Boiled, can be found in a similar scene in Aan, including men on motorcycles
The entire weapon training section is based on the movie Hard Boiled.
Video case is shown ("Hard Boiled").
mentioned when talking about guns used in John Woo movies
The scene where Mad Dog lights his cigarette on the car, is mirrored when Wolverine lights his cigar in the training simulation scene.
Movie poster in background, referenced in commentary
A guy running around shooting people with two guns while carrying a baby
Chow Yun Fat reprises his character from this movie for this video game
Specific camera shots and stunts are reproduced in tribute to this John Woo film
Ellen says the team behind this movie will make "Red Cliff"
Ellen lists this as a movie directed by John Woo
director said "Hard Boiled" flowing non-stop-action inspired this film
Castle says to Beckett, "I will be distracting myself with a double feature of The Killer and Hard Boiled".
Spoofs the babies in the hospital stunt.
Stomping to free weapon & original score parodied
Senor Chang's entrance and shoot out with Britta.