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 · Pure Mechanics
An explosively destructible run-and-gun starring parody action-movie heroes.

Execution · Practiced Mastery
The infamous, glitch-ridden 2006 Sonic reboot where the physics are the real boss.
Broforce leans Execution (Pure Mechanics); Sonic the Hedgehog (2006) leans Execution (Practiced Mastery).
Broforce leans a little harder on execution, though the gap is small.
Broforce
Run-and-gun reflexes amid constant explosions
Sonic the Hedgehog (2006)
Fighting unreliable physics demands constant correction
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Broforce
Enemies are dumb scripts
Sonic the Hedgehog (2006)
No adaptive opposition
Broforce leans a little harder on variance, though the gap is small.
Broforce
Random bro assignments and destructible chaos shake runs
Sonic the Hedgehog (2006)
Bugs make outcomes partly unpredictable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Broforce
Knowing each bro's kit and level layouts helps
Sonic the Hedgehog (2006)
Learning which routes the jank permits
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.