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
A melee-heavy sci-fi horror game where reactive parry timing and dodge reads dominate over system depth.

Execution · Pure Mechanics
A twin-stick bullet-hell shooter testing reflexes against dense projectile patterns.
The Callisto Protocol leans Execution (Pure Mechanics); Zenzizenzic leans Execution (Pure Mechanics).
Zenzizenzic leans a little harder on execution, though the gap is small.
The Callisto Protocol
Melee-parry timing and dodge-direction choices are the core skill
Zenzizenzic
Dodging dense bullet patterns at speed is the lead axis
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Callisto Protocol
Mutants follow telegraphed scripted attack patterns
Zenzizenzic
Enemies fire scripted patterns, no adaptive mind
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Callisto Protocol
Some loot containers and drop variability add mild uncertainty
Zenzizenzic
Spawn variety and power-up drops add minor randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Callisto Protocol
Weapon upgrades and credit management have limited depth
Zenzizenzic
Weapon and power-up choices optimize survival potential
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.