head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
A short promotional sidescroller testing basic 2D aim and platforming.

Execution · Practiced Mastery
Mid-demand 3D platforming execution across fixed gravity puzzles.
Codename: Gordon leans Execution (Practiced Mastery); Super Mario Galaxy leans Execution (Practiced Mastery).
Super Mario Galaxy leans a little harder on execution, though the gap is small.
Codename: Gordon
2D mouse-aimed shooting and platforming carry the short campaign
Super Mario Galaxy
Gravity-bending jumps need timing, though forgiving by Mario standards
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Codename: Gordon
Combine soldiers run simple fixed AI
Super Mario Galaxy
Bosses repeat fixed patterns - nothing adapts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Codename: Gordon
Levels are short, scripted and static
Super Mario Galaxy
Galaxies are scripted; surprises evaporate after one visit
Super Mario Galaxy leans a little harder on optimization, though the gap is small.
Codename: Gordon
Little to solve beyond basic ammo and route awareness
Super Mario Galaxy
Star routes and comet challenges reward learned solutions
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.