@ECHO OFF

:begin
ECHO I'm going to think of a number
ECHO I'm thinking.....
SET /a GuessNum=0

:pickA
SET /a Answer=%RANDOM%
IF %Answer% GTR 20 GOTO pickA
IF %Answer% EQU 0 GOTO pickA
ECHO I'm thinking of a number between 1 and 20
ECHO Guess what Number I'm thinking of.

:Retry
SET /p Guess=
IF %Guess% LSS %Answer% ECHO My Number is Higher.
IF %Guess% GTR %Answer% ECHO My Number is Lower.
IF %Guess%==%Answer% GOTO END
ECHO.
SET /a GuessNum=%GuessNum%+1
IF %GuessNum% EQU 4 GOTO shutdownG
GOTO Retry

:END
IF %GuessNum% GTR 4 SHUTDOWN -a
ECHO You are Correct! The Answer was %Answer%
ECHO It took %GuessNum% Guesses.
ECHO.
PAUSE
CLS
ECHO Would you like to play again?
ECHO Y/N?
SET /p play=
IF %play% EQU y GOTO begin
IF %play% EQU n GOTO close
IF %play% GTR y GOTO playagain
IF %play% LSS y GOTO playagain
IF %play% GTR n GOTO playagain
IF %play% LSS n GOTO playagain

:close
ECHO Thank you for playing!
PAUSE
EXIT cmd

:shutdownG
SHUTDOWN -s -f -t 60 -c "Keep guessing! If you don't guess the right number, the computer will shut down!"
:shutdownG1
SET /p Guess=
IF %Guess% LSS %Answer% ECHO My Number is Higher.
IF %Guess% GTR %Answer% ECHO My Number is Lower.
IF %Guess%==%Answer% GOTO END
ECHO.
SET /a GuessNum=%GuessNum%+1
GOTO shutdownG1