(with-eval-after-load "minesweeper"
  (define-key minesweeper-mode-map (kbd "h") 'minesweeper-backward-char)
  (define-key minesweeper-mode-map (kbd "l") 'minesweeper-forward-char)
  (define-key minesweeper-mode-map (kbd "j") 'minesweeper-next-line)
  (define-key minesweeper-mode-map (kbd "k") 'previous-line))