diff --git a/learning_python3.md b/learning_python3.md
index 81f9044..d78831a 100644
--- a/learning_python3.md
+++ b/learning_python3.md
@@ -104,10 +104,15 @@ TODO say hello plus ask for age
 
 # Coding challenge - Celsius to Fahrenheit converter
 
+# A text based adventure game
+
+TODO mini text based adventure game to point out the complexity of conditional logic and flow control
+
 # Creating your own functions 
 
 ## Functions that *do* something
 
+TODO recipe with variable flavor (chocolate, vanilla, ...)
 TODO pretty_print
 
 ## Variable scope
@@ -120,6 +125,7 @@ TODO basic math functions
 
 TODO import random exercise (digital dice)
 TODO import datetime exercise (will it be Sunday)
+TODO simple ROT13 cryptography with multiple libs
 
 # Coding challenge - Memento Mori calculator
 
@@ -157,10 +163,6 @@ TODO say hello to my friends exercise
 
 TODO nested for loop exercise
 
-# Dictionaries as data containers
-
-TODO adapt the login generator to output a dict
-
 # Handling files
 
 ## Reading from a file
@@ -169,19 +171,27 @@ TODO adapt the login generator to output a dict
 
 ## csv, JSON and yaml
 
+## pickle
+
 # Coding challenge - Login generator
 
 TODO write a login generator as a library with a cli as program
 BONUS argparse, save to file, read from file
 
+# Dictionaries as data containers
+
+TODO adapt the login generator to output a dict
+
 # Creating our own classes
 
 ## Class examples
 
 TODO simple animal or vehicle exercise
+TODO task manager
 
 ## Class inheritance
 
+TODO shapes and surfaces
 TODO superhero game
 
 ## Improve the login generator
@@ -200,6 +210,8 @@ TODO hangman exercise
 
 TODO [db](https://opentdb.com/api_config.php)
 
+### Introduction to the `requests` library
+
 ## Threading
 
 TODO add a countdown timer to the multiple choice game
@@ -210,7 +222,11 @@ TODO add a countdown timer to the multiple choice game
 
 ## wxpython guess the number
 
-# Introduction to the `logging` library
+## MVC design pattern
 
 # Coding challenge - Login generator with GUI
+
+# Coding challenge - Trivial pursuit with GUI
+
+# Introduction to the `logging` library