For some people, getting to the end of a game is not just about wanting to finish a story or collecting in-game achievements, it's something of a personal goal. Speedrunners are a dedicated bunch and there is a whole roster of games that newcomers can start running like Undertale or Portal.
While sometimes, runs are practiced over and over again to achieve a personal best, there are plenty that go that one step further and smash world records, usually to the surprise of the player. One Twitch
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