From Dark Souls to the lost levels of Super Mario Bros, here's the Telegraph's pick of the 25 hardest video games ever. World's Hardest Game 2 at Cool Math Games: A great sequel to World's Hardest Game Now, there are two of them! I can barely get past the first level! But I've. The is the hardest game ever on scratch. Seriosly, it is. No wait, it is not only the hardest game ever on scratch, it is the hardest game you have.