diff --git a/eriks/GuessNumber/guess_number.py b/eriks/GuessNumber/guess_number.py
new file mode 100644
index 0000000..f08a9f9
--- /dev/null
+++ b/eriks/GuessNumber/guess_number.py
@@ -0,0 +1,41 @@
+import random
+
+class GuessNumber():
+    def __init__(self, number, mn=0, mx=100):
+        self.guesses = 0
+        self.number = number
+        self.min = mn
+        self.max = mx
+
+    def get_guess(self):
+        guess = input(f'Guess a number ([{self.min}, {self.max}]): ')
+
+        if self.is_valid_guess(guess):
+            return int(guess)
+        else:
+            print('Please enter a valid number!')
+            return self.get_guess()
+
+    def is_valid_guess(self, guess):
+        try:
+            guess = int(guess)
+        except:
+            return False
+
+        return self.min <= guess <= self.max
+
+    def play(self):
+        while True:
+            self.guesses += 1
+
+            guess = self.get_guess()
+            
+            if guess < self.number:
+                print('Your guess was under.')
+            elif guess > self.number:
+                print('Your guess was over.')
+            else: # They guessed it
+                break
+
+        print(f'You guessed it in {self.guesses} tries!')
+
diff --git a/eriks/__init__.py b/eriks/__init__.py
new file mode 100644
index 0000000..e69de29