* HeyItsThatVoice: PhilLaMarr as Ugly Chris.
* ShoutOut: Being highly based upon TheWestern, in particular [[SpaghettiWestern SpaghettiWesterns]], the game has plenty of shoutouts to various cowboy films.
** Diego, while fighting you, will shout [[ScarFace "Say hello to my little friend!"]]
** One fight in the Annie Stokes level plays out an awful lot like a game of ''SpaceInvaders''.
** Supporting character 'Blind Willy Wilson' is mostlikely a [[ShoutOut nod]] to the blues singer Blind Willy [=McTell=]- TheWhiteStripes covered one of his songs.
** The duelling contest itself is almost a WholePlotReference to the Sam Raimi film ''Film/TheQuickAndTheDead''. Red Harlow's name is a ShoutOut to the unrelated Louis L'Amour novel of the same name.
** Three duelling enemies in the Jailbreak level are named [[Creator/SergioLeone Sergio]], [[Music/EnnioMorricone Ennio]] and [[Film/TheGoodTheBadAndTheUgly Eli]]
** Mr. Black's gatling-coffin is similar to the one used by Film/{{Django}}.
** [[ThatOneLevel General Diego's playable stage]] is reminiscent of the bridge from ''Film/TheGoodTheBadAndTheUgly''.
* WhatCouldHaveBeen: This game was co-developed by Capcom and was more-or-less initially designed to be a BeatEmUp with guns. More specifically it was to be something of a SpiritualSuccessor to Capcom's NES title [[http://www.youtube.com/watch?v=Rx9APVvCdZg Gunsmoke.]] Some of these elements can be seen in the final version, particularly earliy in the game as entire levels are based around the three bounties Red has to hunt down, each with very distinctive design and weapon of choice, much like the orignal Gunsmoke. Capcom artist Akiman provided the character designs. Earlier builds had supernatural aspects and crazy weapons, but Capcom dropped it, and Rockstar revised it. Now that Rockstar is in complete control of the property, the sequel has become a WideOpenSandbox.
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