diff --git a/Armstrong_number b/ARMSTRONG_NUMBER.py
similarity index 95%
rename from Armstrong_number
rename to ARMSTRONG_NUMBER.py
index 7dd1b267ea0..34e8ee3d4db 100644
--- a/Armstrong_number
+++ b/ARMSTRONG_NUMBER.py
@@ -2,7 +2,6 @@ def is_armstrong_number(number):
     numberstr = str(number)
     length = len(numberstr)
     num = number
-    rev = 0
     temp = 0
     while num != 0:
         rem = num % 10
diff --git a/NUMBER_GUESSING_GAME.py b/NUMBER_GUESSING_GAME.py
new file mode 100644
index 00000000000..8a2cf518bd7
--- /dev/null
+++ b/NUMBER_GUESSING_GAME.py
@@ -0,0 +1,70 @@
+"""
+Module Name: Number Guessing Game
+Description: A simple interactive game where the user sets an upper bound,
+             the program picks a random secret number within that range,
+             and the user guesses repeatedly until correct. Reports total
+             guesses taken at the end.
+Author: Gaurav Sharma
+Date: 2026-08-18
+"""
+
+import random
+
+
+def get_upper_bound() -> int:
+    """Prompt the user for a valid upper bound.
+
+    Returns:
+        An integer upper bound of 2 or greater.
+    """
+    while True:
+        raw = input("Enter the upper bound for the range (e.g. 100): ")
+        if raw.isdigit() and int(raw) >= 2:
+            return int(raw)
+        print("Please enter an integer of 2 or greater.")
+
+
+def get_guess(upper_bound: int) -> int:
+    """Prompt the user for a valid guess within the given range.
+
+    Args:
+        upper_bound: The maximum valid value for a guess.
+
+    Returns:
+        An integer guess between 1 and upper_bound, inclusive.
+    """
+    while True:
+        raw = input(f"Your guess (1-{upper_bound}): ")
+        if raw.isdigit() and 1 <= int(raw) <= upper_bound:
+            return int(raw)
+        print(f"Enter a whole number between 1 and {upper_bound}.")
+
+
+def play_game() -> None:
+    """Run a single round of the number guessing game.
+
+    Selects a secret number, collects guesses until the correct value
+    is entered, and reports the total number of guesses taken.
+    """
+    upper_bound = get_upper_bound()
+    secret_number = random.randint(1, upper_bound)
+    guesses = 0
+
+    print(f"\nI'm thinking of a number between 1 and {upper_bound}.")
+
+    while True:
+        guess = get_guess(upper_bound)
+        guesses += 1
+
+        if guess < secret_number:
+            print("Too Low")
+        elif guess > secret_number:
+            print("Too High")
+        else:
+            print(f"\nCorrect! The number was {secret_number}.")
+            print(f"Total guesses: {guesses}")
+            return
+
+
+if __name__ == "__main__":
+    play_game()
\ No newline at end of file
diff --git a/README.md b/README.md
index 78bf507a22f..1c8406420ac 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ Feel free to explore the scripts and use them for your learning and automation n
 41. [Extract Thumbnail From Video](https://github.com/geekcomputers/Python/tree/ExtractThumbnailFromVideo) - Extract Thumbnail from video files
 42. [How to begin the journey of open source (first contribution)](https://www.youtube.com/watch?v=v2X51AVgl3o) - First Contribution of open source
 43. [smart_file_organizer.py](https://github.com/sangampaudel530/Python2.0/blob/main/smart_file_organizer.py) - Organizes files in a directory into categorized subfolders based on file type (Images, Documents, Videos, Audios, Archives, Scripts, Others). You can run it once or automatically at set intervals using the `--path` and `--interval` options.
+44. [number_guessing.py](https://github.com/geekcomputers/Python/blob/master/number_guessing.py) - Interactive number guessing game where the user sets an upper bound and guesses a randomly generated number until correct.
 <hr>
 
 _**Note**: The content in this repository belongs to the respective authors and creators. I'm just providing a formatted README.md for better presentation.