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.

Optimization · Pure Optimization
A zombie survival sim where long-term planning outweighs moment-to-moment skill.

Optimization · Pure Optimization
A post-apocalyptic tactics game where skill tag distribution and action economy control encounter outcomes.
Project Zomboid leans Optimization (Pure Optimization); Wasteland 2 leans Optimization (Pure Optimization).
Project Zomboid leans a little harder on execution, though the gap is small.
Project Zomboid
Combat is deliberate; precision matters but is slow.
Wasteland 2
Turn-based tactical combat has no twitch component
Wasteland 2 leans a little harder on reads, though the gap is small.
Project Zomboid
Zombies follow scripted behaviour; no adaptation.
Wasteland 2
All enemy factions use scripted behaviour with no player adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Project Zomboid
Loot spawns and zombie distributions randomized.
Wasteland 2
Hidden skill check requirements and enemy placement create information gaps
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Project Zomboid
Skill grinding, base setup, and routing define survival.
Wasteland 2
Skill tag allocation and AP economy optimization define effective squads
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.