diff --git a/ProblemSolving/gameProgs/guessnumber.py b/ProblemSolving/gameProgs/guessnumber.py
new file mode 100644
index 0000000..0b8663e
--- /dev/null
+++ b/ProblemSolving/gameProgs/guessnumber.py
@@ -0,0 +1,23 @@
+#guess the number
+#Import randint from random 
+from random import randint
+
+#Choose a random integer from 1 to 10
+choo = randint(1,10)
+print choo
+
+#Declaring the user variable to 0 to start with the loop 
+user = 0
+
+#Check conditions and guess till it arrives at the expected value
+
+while choo != user:
+	user = int(raw_input("please enter a value between 1 to 10"))
+	print user
+	if choo < user:
+		print ("please try a lower value")
+	elif choo > user:
+		print ("please try a higher value")
+	
+print ("correct guess")
+
diff --git a/ProblemSolving/gameProgs/rollerdice.py b/ProblemSolving/gameProgs/rollerdice.py
new file mode 100644
index 0000000..f8ee5e7
--- /dev/null
+++ b/ProblemSolving/gameProgs/rollerdice.py
@@ -0,0 +1,22 @@
+#Roller dice program
+
+from random import randint
+
+
+#chooses a random integer from 1 to 6 for player1
+player1 = randint(1,6)
+print ("player1 chance",player1)
+
+
+#chooses a random integer from 1 to 6 for player2
+player2 = randint(1,6)
+print("player2 chance",player2)
+
+#Condition to check who wins
+if player1 == player2:
+	print("draw")
+elif player1 > player2:
+	print("player1 wins")
+else:
+	print("player2 wins")
+
diff --git a/Ruby/ca.rb b/Ruby/ca.rb
new file mode 100644
index 0000000..ffeb6db
--- /dev/null
+++ b/Ruby/ca.rb
@@ -0,0 +1,74 @@
+#Calculator program
+def greeting
+
+  puts "\n" + "I am a simple calculator application"
+
+
+end
+
+#Operation selection
+
+puts "\n" + "Type 1 to add, 2 to subtract, 3 to multiply, or 4 to divide two numbers: "
+  operation_selection = gets.to_i
+
+  if operation_selection == 1
+    return "add"
+  elsif operation_selection == 2
+    return "subtract"
+  elsif operation_selection == 3
+    return "multiply"
+  elsif operation_selection == 4
+    return "divide"
+  else
+    return "error"
+
+  end
+
+end
+
+#Operations performed
+def calculate_answer(operator, a, b)
+
+  if operator == "add"
+    return  a + b
+  elsif operator == "subtract"
+    return  a - b
+  elsif operator == "multiply"
+    return a * b
+  elsif operator == "divide"
+    return a / b
+  end
+
+end
+
+name = greeting
+run_calculator = 1
+
+while run_calculator == 1
+
+  current_calculation = request_calculation_type()
+
+#Error handling
+  if current_calculation == "error"
+
+    puts "\n" + "Can we try again?"
+
+  else
+    puts "\n" + "first number #{current_calculation}: "
+    first_number = gets.to_i
+    puts "\n" + "second number #{current_calculation}: "
+    second_number = gets.to_i
+
+    answer = calculate_answer(current_calculation, first_number, second_number)
+
+    puts "\n" + "The answer is #{answer}"
+    puts "\n" + "Type 1 to run another calculation or anything else to end: "
+    run_calculator = gets.to_i
+
+    if run_calculator != 1
+
+      puts "\n" + "Thanks ;-)"
+
+    end
+  end
+end