It's hard to adapt a movie to the world of video games. Diehard fans want an experience that accurately represents the source material, but the first level of Super Mario Bros. has a bigger body count than all of Die Hard. Usually game developers get around this problem with a weird boss fight here or an unusual story deviation there , but apparently they sometimes leave their early draft of the script in the wash, and can only loosely guess at the ending based on the shapes of the inkblots.

5 Indiana Jones' Greatest Adventures -- The Wrong Grail Makes You a Supervillain

JVC, LucasArts

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Indiana Jones' Greatest Adventures is a Super Nintendo platformer that takes players through iconic scenes in all three movies (it was a simpler, less Crystal Skull-filled time). But then you reach the end of The Last Crusade, the one about the search for the Holy Grail, which will keep anyone who drinks from it alive. Unfortunately, it's hidden in a secret room full of fake grails that will keep you dead forever, and also Nazis are after it. In the movie, Nazi henchman Donovan chooses incorrectly and withers away into dust. But in the game ...

How the Game Missed the Point

JVC, LucasArts

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Wait, what? He gets so scared that he spontaneously loses all his flesh? And instead of having the good grace to die of old age, Donovan goes on living as a sentient skeleton. He deserves major credit for how quickly he adjusts to what one would assume to be an awkward and painful transition, as he immediately begins leaping about with the range of an Olympic gymnast and uses his own skull as a lethal bowling ball against Indy.

JVC, LucasArts

Thus outing himself as Janeane Garofolo's father once and for all.

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When you defeat him, he continues to defy logic by bursting into flames, despite being made entirely of bones and the fact that you've only been whipping him, not dousing him with gasoline.