Function GetNumber([int]$min, [int]$max) {
    Return Get-Random -minimum $min -maximum ($max + 1)
}

Function PlayGame() {
    Write-Host "This is a guess-the-number game.`r`nYou have 6 guesses to guess a number between 1 and 100."

    $secretNum = GetNumber 1 100

    [int]1..6 | ForEach {
        $guess = Read-Host
        If ($guess -eq $secretNum) {
            Write-Host "Correct!"
            Return
        }
        ElseIf ($guess -gt $secretNum) {
            Write-Host "Too high!"
        }
        Else {
            Write-Host "Too low!"
        }

        $remainingGuesses = 6 - $_
        Write-Host "You have $remainingGuesses guesses left"
    }

    Write-Host "The number was $secretNum"
}

PlayGame

# Borrowed from https://technet.microsoft.com/en-us/library/ff730938.aspx
Write-Host "Press any key to continue ..."
$host.UI.RawUI.ReadKey("NoEcho, IncludeKeyDown")