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

Execution · Practiced Mastery
A polished 3D platformer showcasing PlayStation's mascots.

Execution · Practiced Mastery
A family-friendly 3D platformer with co-op stages.
Astro Bot leans Execution (Practiced Mastery); Sackboy: A Big Adventure leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Astro Bot
Polished but forgiving 3D platforming
Sackboy: A Big Adventure
Light 3D platforming, some co-op timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Astro Bot
Scripted enemies
Sackboy: A Big Adventure
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Astro Bot
Static stages
Sackboy: A Big Adventure
Static levels
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Astro Bot
Collectible and time-trial routing
Sackboy: A Big Adventure
Collectible and costume hunting
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.