Source code in the x86 programming language

 segment .data

      random  dd  0   ; Where the random number will be stored
      guess   dd  0   ; Where the user input will be stored
 
     instructions    db  10, "Welcome user! The game is simple: Guess a random number (1-10)!", 10, 10
     len1 equ $ - instructions   ; 1 \n before and 2 \n after instructions for better appearance

     wrong           db  "Not the number :(", 10
     len2 equ $ - wrong

     correct         db  "You guessed right, congratulations :D", 10
     len3 equ $ - correct

 segment .bss

 segment .text
     global  main

 main:
     push    rbp
     mov     rbp, rsp
     ; ********** CODE STARTS HERE **********

     ;;;;; Random number generator ;;;;;

     mov     eax, 13
     mov     ebx, random
     int     80h
     mov     eax, [ebx]
     mov     ebx, 10
     xor     edx, edx
     div     ebx
     inc     edx
     mov     [random], edx

     ;;;;; Print the instructions ;;;;;

     mov     eax, 4
     mov     ebx, 1
     mov     ecx, instructions
     mov     edx, len1
     int     80h

 userInput:

     ;;;;; Ask user for input ;;;;;

     mov     eax, 3
     xor     ebx, ebx
     mov     ecx, instructions
     mov     edx, 1
     int     80h
     mov     al, [ecx]
     cmp     al, 48
     jl      valCheck
     cmp     al, 57
     jg      valCheck

     ;;;;; If number ;;;;;

     sub     al, 48
     xchg    eax, [guess]
     mov     ebx, 10
     mul     ebx
     add     [guess], eax
     jmp     userInput

 valCheck:

     ;;;;; Else check number ;;;;;

     mov     eax, 4
     inc     ebx
     mov     ecx, [guess]
     cmp     ecx, [random]
     je      correctResult

     ;;;;; If not equal, "not the number :(" ;;;;;

     mov     ecx, wrong
     mov     edx, len2
     mov     DWORD [guess], 0
     int     80h
     jmp     userInput

 correctResult:

     ;;;;; If equal, "congratulations :D" ;;;;;

     mov     ecx, correct
     mov     edx, len3
     int     80h

     ;;;;; EXIT ;;;;;

     mov     rax, 0
     mov     rsp, rbp
     pop     rbp
     ret

; "Guess my number" program by Randomboi (8/8/2021)