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* BadassDecay: Its very subtle but you can make a case that Batman undergoes this. In ''Asylum'', he's unstoppable, repels Scarecrow's gas, always manages to TakeAThirdOption canonically survives a battle with several Titan monsters in a single night and ends up with very little costume damage. The second and third game provides significantly more personal and challenging threats and while Batman does come out on top, it takes a far bigger toll on him physically and mentally and the repeated RunTheGauntlet by the end of the third game [[spoiler:leads him to end the series by faking his death and going into hiding, after Scarecrow succeeds in outing his identity]]. In ''Asylum'', Batman doesn't take much damage but in ''City'' he gets knocked out several times in the game and needs to be rescued by Robin in the DLC, and by the time of Knight, he's undergoing serious SanitySlippage as well.
* CompleteMonster: SelfDemonstrating/TheJoker serves, in one form or another, as the BigBad for the [[VideoGame/BatmanArkhamAsylum first]] [[VideoGame/BatmanArkhamCity three]] [[VideoGame/BatmanArkhamOrigins games]], as well as [[WesternAnimation/BatmanAssaultOnArkham trying to destroy Gotham with a dirty bomb]]. When he first established himself in Gotham, he forced Black Mask to kill his own girlfriend, then kidnapped and tortured him. After learning [[ThouShaltNotKill Batman won't kill]], he strapped himself to an electric chair charged by Bane's heartbeat [[SadisticChoice to force Batman to kill one of them]] and held Gordon hostage. Over the course of the series, he kills multiple people and tries to kill more (including innocents), sets Bane [[ColdBloodedTorture up to be tortured]], freely talks about being physically abusive to Harley Quinn, offers to let his men rape Harley, covers all the usual BadBoss bases, tries to turn Jim Gordon into a 'roided-up monstrosity, kidnaps Nora Fries to force Mr. Freeze into helping him, blackmails Batman into helping by sending his poisoned blood to hospitals in the Gotham area, and shoots Talia just to hurt Batman. There's also his actions post-mortem with the digital comic, ''Arkham City: Endgame'': He had his minions rig a radio tower within Arkham City to broadcast a message all over Gotham confirming his death, as well as offering a reward of over a million dollars to the person who finds his corpse and deliver it to Harley Quinn, as a way to ensure that the town would "tear itself apart." [[FromBadToWorse He also claimed that the walls of Arkham City were still wired with explosives]], thus ensuring that the remaining prisoners not only riot within Arkham City in expectation of the walls being blown up, but also, should it have been destroyed, make the rioting in Gotham City even worse with several of the more dangerous inmates participating in wanton destruction. He had Batman lured to the isolation cell that Batman put him in years ago after a particularly heinous massacre he instigated during the Fourth of July where Joker rigged several fireworks with toxins killing hundreds of men, women and children. Finally, he also later revealed that he had Clayface rig the cell, as a means of [[TakingYouWithMe ensuring that Batman will meet him in Hell]].
%%Do NOT add in any villains without going to the cleanup thread first.
* EnsembleDarkhorse: The Arkhamverse version of Harley Quinn is one of the more popular secondary villains, going from a supporting role in the first two games, to being the BigBad of her own [=DLC=], to being fully playable in ''Arkham Knight''. Harley's portrayal in the games also raised to profile of the comics version.
* EscapistCharacter: Batman, as usual.
* EvilIsSexy: If you find yourself having the hots for Harley Quinn in this adaptation, you're not the only one.
** Poison Ivy could also count. As well as Candy, Tracey, Shiva, and even Copperhead in ''Arkham Origins''.
* FranchiseOriginalSin: While all the games are generally well reviewed and well received, the prominence of the Joker as really the primary bad guy among everyone else has been criticized, as it lead to the detriment of other villains having a chance at truly taking stage. ''Origins'' in particular has a very strong story with or without the Joker being involved, as many fans were excited thinking Black Mask [[RedHerring was going to be a more prominent villain than he was]]. [[spoiler: As it turns out, not even being KilledOffForReal in a franchise where he's explicitly stripped of his JokerImmunity can stop him from being a PosthumousCharacter in ''Harley Quinn's Revenge'' and ''Arkham Knight''.]]
* HarsherInHindsight: How shall we put it? SelfDemonstrating/TheJoker himself has been a DeathSeeker from the very beginning of the series. [[spoiler:In ''Arkham Origins'', he tries to shoot himself in the head in order [[DrivenToSuicide to end it all]], but [[SaveTheVillain Batman stops him from doing so]] for reasons he can't comprehend. In ''Arkham Asylum'', after the Joker says, "I have nothing left to live for," he ''does'' shoot himself, but with a Titan formula gun to the throat. His "suicide" is very painfully slow, as it takes a year for the Titan poisoning to course through his bloodstream before his death and its nature complete their course at the end of ''Arkham City'', in fulfillment of his deserving to die as a monster, all the while Batman is unable to intervene with him.]]
* HilariousInHindsight: Casting Creator/WallyWingert as the voice of Comicbook/TheRiddler, an InsufferableGenius who frequently gloats about being smarter than the people around him, after he voiced the [[PsychoRangers Blue Psycho Ranger]] in ''Series/PowerRangersInSpace'', whose group boasted about being better than the Power Rangers with the Blue one boasting about them being smarter.
** The comments section on Destructoid had a RunningGag about which infamous C-list Batman villains [[SarcasmMode they'd love to see]] in the Arkham games, with the most common target for ridicule being Professor Pyg. Lazlo Valentin would eventually get a sidequest to himself in ''VideoGame/BatmanArkhamKnight''.
** In ''VideoGame/BatmanArkhamOrigins'', Creator/TroyBaker voices a young Joker who seems to use [[ComicBook/TheKillingJoke the Red Hood]] as the preferred branch of his MultipleChoicePast. In ''VideoGame/BatmanArkhamKnight'', [[spoiler: Troy plays the [[AntagonistTitle subtitular Arkham Knight]], later revealed to be Jason Todd, who like in the comics had previously been the second Red Hood]].
*** There's also the fact that Troy's roles in the ''Arkham'' games, along with his roles in ''VideoGame/InjusticeGodsAmongUs'' & the ''LEGO Batman'' games, mean that he's voiced all of the male members of the Bat Family, and a couple of their enemies too.
* SugarWiki/NoProblemWithLicensedGames: Not only are these considered some of the best ''Batman'' games ever made, not ''only'' are they considered to be among the best licensed games ever made, they're often placed in the top tier of character action games ever made, ''period''. They are arguably the trope's MostTriumphantExample. Related to this is...
* OnlyTheCreatorDoesItRight: Rocksteady studios developed the Arkham IP and did it so well their [[CreatorWorship popularity exploded]]. When ''VideoGame/BatmanArkhamOrigins'' was announced as being developed by Warner Bros. Montreal, essentially a stop-gap game to fill in while Rocksteady had been working on ''VideoGame/BatmanArkhamKnight'', there was genuine concern about how the game would turn out. In something of a subversion the game was received quite well as an expansion of the Arkham universe and having a good story, although having no [[ItsTheSameNowItSucks serious changes to the gameplay]] and [[GoodBadBugs lacking the same polish]] the Rocksteady games had still falls under this trope.
* WTHCastingAgency: This pretty much sums up many fans' reaction to the fact that Commissioner Gordon ''keeps'' getting recast. Across the whole franchise, he's had '''five''' voice actors[[note]]Creator/RickDWasserman voiced a young Gordon in ''Asylum'', but that was TimeShiftedActor[[/note]], going from Creator/TomKane in ''Asylum'', to Creator/DavidKaye is ''City'', to Michael Gough in ''Origins'' and ''Blackgate'', to Chris Cox in ''Assault on Arkham'', to Creator/JonathanBanks in ''Knight''.
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