head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is optimization, 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
Optimizing regional economics and city services to sustain growth without collapsing your budget.
Game Dev Tycoon leans Optimization (Pure Optimization); SimCity 4 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.
Game Dev Tycoon
All choices are menu clicks with no physical ceiling
SimCity 4
Point-and-click placement; zero reflex requirement
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
SimCity 4
Solo sandbox with no adversarial pressure
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
SimCity 4
Neighbor city interactions and demand curves add unpredictability
SimCity 4 leans a little harder on optimization, though the gap is small.
Game Dev Tycoon
Genre-topic-audience matching and R&D investment are learnable formulas
SimCity 4
Budget, ordinances, and transport networks are the core puzzle
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.