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

Execution · Pure Mechanics
A twin-stick mech shooter testing aiming and dodging through enemy waves.

Execution · Practiced Mastery
A retro Sonic revival celebrating classic-era momentum design.
Gatling Gears leans Execution (Pure Mechanics); Sonic Mania 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.
Gatling Gears
Twin-stick aiming and dodging under fire dominate
Sonic Mania
High-speed reaction platforming
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gatling Gears
Enemy waves are scripted, not adaptive
Sonic Mania
No human opponent
Gatling Gears leans a little harder on variance, though the gap is small.
Gatling Gears
Enemy spawns and drops add mild chaos
Sonic Mania
Mostly deterministic with hidden routes
Sonic Mania leans a little harder on optimization, though the gap is small.
Gatling Gears
Weapon upgrades and positioning reward planning
Sonic Mania
Route knowledge dominates speedruns
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.