NevPuttSok (NPS)

Controls:

• A, 
  V
  = move left   
• W, 
  B
  = move up   
• S, 
  N
  = move down   
• D, 
  M
  = move right   
• O = undo   
• P = redo

(Note that the keys are inputted in lower case.
You will need to click on and hold your mouse over the playing area.)