0.0: Unfailable. 1.0: Easy, most generic platformer players can do this. Usually filler gameplay. 2.0: Average obby difficulty. 3.0: Pretty Difficult. The average player would struggle here. 4.0: Very Tough. Above average difficulty. Text starts to turn a light red. 5.0: Really Difficult. The average player probably can't do this. Slightly darker red. 6.0: Insanely Hard. Jumps of this difficulty will only be seen in the hardest verified obbies. 7.0: Ridiculous. Extremely awkward timings, rng, etc. 8.0: Borderline Impossible. Jumps like these are near the human limit. Think Eternal difficulty. 9.0: Humanly Impossible. Jumps that a human will never do.