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

Optimization · Systems & Chaos
A bubble-popping puzzle testing cluster planning against random drops.

Optimization · Pure Optimization
Survival horror prequel built on swapping two characters with no item boxes.
Adventure Pop leans Optimization (Systems & Chaos); Resident Evil 0 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Adventure Pop
Tapping bubble clusters needs little precision
Resident Evil 0
Tank-control combat is modestly demanding
Adventure Pop leans a little harder on reads, though the gap is small.
Adventure Pop
Opponents don't adapt to your strategy meaningfully
Resident Evil 0
Enemies follow fixed behaviour
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Adventure Pop
Bubble drops are random, shaping each board
Resident Evil 0
Hidden layouts surprise until mapped
Resident Evil 0 leans a little harder on optimization, though the gap is small.
Adventure Pop
Cluster planning and power-up use are the core test
Resident Evil 0
Two-character item juggling makes routing the real game
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.