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

Execution · Pure Mechanics
A precision marble-rolling platformer focused on time trials.

Execution · Pure Mechanics
Brutal rhythm-violence game where perfect timing on a screaming track is all that exists.
Marble It Up! Ultra leans Execution (Pure Mechanics); Thumper leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Marble It Up! Ultra
precise marble physics control is everything
Thumper
Split-second rhythm inputs at speed are the entire test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marble It Up! Ultra
no opponent, solo time-trial skill
Thumper
No opponent, only the track
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Marble It Up! Ultra
deterministic physics, minimal randomness
Thumper
Tracks are fixed and learnable
Thumper leans a little harder on optimization, though the gap is small.
Marble It Up! Ultra
route optimization for best times
Thumper
Memorizing patterns and scoring lines helps mastery
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.