Minesweeper, but with Powerups

(DESKTOP BROWSER ONLY) This functions like classic Minesweeper, with a few special distinctions: Powerups!  If turned on, there's a small chance you will get a powerup token whenever a safe tile is revealed.  This chance increases slightly with more difficult (lower) safe-tile-to-mine-ratio settings.  Powerup tokens can be spent by clicking the icons to the right of the face button when playing, …