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

Execution · Pure Mechanics
A high-speed auto-runner testing color-matching reflexes and jump precision.

Execution · Pure Mechanics
Brutal rhythm-violence game where perfect timing on a screaming track is all that exists.
Chameleon Run 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.
Chameleon Run
Color-switch and jump timing at speed decides 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.
Chameleon Run
Solo - no opponent to model
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.
Chameleon Run
Tracks are fixed and memorizable
Thumper
Tracks are fixed and learnable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Chameleon Run
Path choice and collectible routing rewards replays
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.