Difficulty/Reality/VII

The current latest worlds. The 6K level is here. An additional combination of mixed levels debut in Episode 393. This goes up to the unreleased episode 420.

To convert it into the official world number, add two times the number of half-worlds 2*(world number - 10) to the whole-world number. Subtract 1 to the number if it would be on the first half of the corresponding whole-world.