LemonArcade
The Impossible Quiz was made by British Flash animator Splapp-me-do and first went online on Newgrounds and DeviantArt on February 20, 2007. Its DeviantArt upload was pulled shortly afterward over the copyrighted music it used, forcing a reissue on March 8, 2007 as a music-free "Lite" version. The idea behind it started years earlier, around 2004, as a 30-question demo Splapp-me-do built for a friend's website while still in college, and by 2007 it had grown into the full 110-question game that made his name in the Flash community.
It calls itself a quiz, but it is not testing knowledge. Each of its 110 questions is built around wordplay, double meanings and outright trickery, so the answer that looks correct by normal quiz logic is very often a trap, and the one that looks like a joke is very often right. You get three lives, a handful of Skip tokens to bypass questions you cannot crack, and a mix of untimed and timed questions, the timed ones demanding an instant reaction rather than careful reasoning.
The game's reputation rests on how deliberately it breaks its own rules. Some questions require a right-click instead of the expected left-click, some hide the real answer inside the game's own interface rather than the question text, and a few are constructed purely to catch out anyone who has memorized a walkthrough without paying attention. Losing all three lives and starting over is the normal rhythm of playing it, not a sign that something has gone wrong, and most players finish it through repetition, learning which questions lie and which play straight, rather than reasoning every one out fresh.
That structure made it hugely influential well beyond its own page views. About seven months after the original released, Splapp-me-do launched The Impossible Quiz 2, a sequel that improved on the visuals and presentation and became, by most measures, one of the most popular Flash games ever made. Between them, the two games effectively defined a small genre of trick-question browser quizzes that other developers have been imitating ever since, few with the same density of jokes and traps packed into a single playthrough.
It suits players who enjoy lateral thinking and dark, self-aware humor more than people looking for genuine trivia, and it rewards patience with repetition over raw intelligence. On LemonArcade it runs free in the browser, no download or account needed, and it works with touch controls on mobile, tapping to select an answer, though the occasional right-click trick is easier to trigger on a desktop or laptop. A full clean run takes most new players multiple attempts spread over an hour or more, and the difficulty is intentional: it is built to feel unfair on a first try and fair only once you know its jokes. There is no save system to speak of within a single run, so a failed attempt starts back at question one, which is part of why the game is best played in short, repeated sessions rather than one long sitting.