Board Thread:Wiki - General Discussion/@comment-96.32.26.246-20181101225353/@comment-2607:FEA8:3CA0:14E9:3C0D:3170:AD53:7841-20181103074837

See Difficulty/Reality. It is reasonable that the high levels are more complex and difficult than the lower levels. The trend is gradual, but starts getting noticeable since 2K.