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
Optimizing game development decisions around hidden genre-topic match formulas to maximize review scores and revenue.

Optimization · Pure Optimization
Strategy sim about evolving a pathogen to outpace the world's cure effort.
Game Dev Tycoon leans Optimization (Pure Optimization); Plague Inc. leans Optimization (Pure Optimization).
Game Dev Tycoon leans a little harder on execution, though the gap is small.
Game Dev Tycoon
All choices are menu clicks with no physical ceiling
Plague Inc.
Tapping menus only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Game Dev Tycoon
No adaptive human competitor to model
Plague Inc.
World response is algorithmic, not adaptive to you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Game Dev Tycoon
Review scores and trend timing have meaningful randomness
Plague Inc.
Spread events and cure pace fluctuate
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Game Dev Tycoon
Genre-topic-audience matching and R&D investment are learnable formulas
Plague Inc.
Evolution-point timing strategies are largely solved
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.