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

Optimization · Pure Optimization
An RPG where programming automated gambit systems and optimizing builds is the true skill test.

Optimization · Pure Optimization
Optimizing game development decisions around hidden genre-topic match formulas to maximize review scores and revenue.
Final Fantasy XII: The Zodiac Age leans Optimization (Pure Optimization); Game Dev Tycoon 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.
Final Fantasy XII: The Zodiac Age
no real-time physical skill, gambit-automated
Game Dev Tycoon
All choices are menu clicks with no physical ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XII: The Zodiac Age
no adaptive opponents, scripted encounters
Game Dev Tycoon
No adaptive human competitor to model
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XII: The Zodiac Age
loot and encounter randomness present
Game Dev Tycoon
Review scores and trend timing have meaningful randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Final Fantasy XII: The Zodiac Age
gambit and job builds are near-solvable
Game Dev Tycoon
Genre-topic-audience matching and R&D investment are learnable formulas
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.