You will need to install a user script manager extension to install this script.
Moves REs, bonuses, etc below the game board to prevent misclicks.
You can also press 'x' to toggle the flag checkbox.
When flagging is on, hovering over a negg will reflect this.
The keys 'e', 'm', and 'h' will start a new game of easy, medium, and hard difficulty respectively.
Persistent flagging means the page will remember whether you ticked "Flag" or not.
This is now a built-in feature of Neggsweeping.