head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
The original European trucking sim of long hauls and tidy deliveries.

Optimization · Practiced Mastery
A gentle licensed adventure testing basic puzzle matching and collectible hunting.
Euro Truck Simulator leans Optimization (Practiced Mastery); Harry Potter and the Prisoner of Azkaban leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator
Basic truck handling and parking
Harry Potter and the Prisoner of Azkaban
Simple spell-casting and platforming aimed at younger players
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator
No adaptive opposition
Harry Potter and the Prisoner of Azkaban
All enemies and puzzles are fully scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator
Minor traffic variation
Harry Potter and the Prisoner of Azkaban
Hidden collectible locations are fixed once discovered
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator
Delivery routes and truck upgrades
Harry Potter and the Prisoner of Azkaban
Matching the right character's spell to each puzzle
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.