head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, 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
Colonize Mars by stacking dome layouts and supply chains.
Game Dev Tycoon leans Optimization (Pure Optimization); Surviving Mars 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
Surviving Mars
pausable, no reflex
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
Surviving Mars
no adversary
Surviving Mars leans a little harder on variance, though the gap is small.
Game Dev Tycoon
Review scores and trend timing have meaningful randomness
Surviving Mars
disasters, sponsor traits
Surviving Mars 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
Surviving Mars
dome layouts and supply chains
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.