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
The original post-apocalyptic CRPG where character builds solve the wasteland.

Optimization · Pure Optimization
A gothic horror RPG blending survival-horror atmosphere with tactical grid battles in a haunted Welsh monastery.
Fallout leans Optimization (Pure Optimization); Koudelka leans Optimization (Pure Optimization).
Koudelka leans a little harder on execution, though the gap is small.
Fallout
Turn-based, no dexterity
Koudelka
Turn-based grid combat, no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout
No adaptive opposition
Koudelka
Monsters act on simple fixed logic
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout
To-hit rolls and random encounters
Koudelka
Random encounters and drop rolls
Fallout leans a little harder on optimization, though the gap is small.
Fallout
SPECIAL builds and quest routing are deeply solvable
Koudelka
Stat allocation and durability planning decide fights
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.