Made by Nintendo, this software shows users of all ages how to make games.
This walkthrough focuses on the “Checkpoint” puzzles, which are encountered while following the lessons. It provides details for why a solution works the way it does, as the whole point of those puzzles is to understand certain concepts.
You can find out more detais about this software on the official site below. I recommend purchasing it, as it’s great quality. It also has a free demo version available.