head to head
Fallout: New Vegas asks more than Game Dev Tycoon, and the gap is execution.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.

Optimization · Pure Optimization
Optimizing game development decisions around hidden genre-topic match formulas to maximize review scores and revenue.
Fallout: New Vegas leans Optimization (Pure Optimization); Game Dev Tycoon leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Game Dev Tycoon
All choices are menu clicks with no physical ceiling
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Game Dev Tycoon
No adaptive human competitor to model
Game Dev Tycoon leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
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.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.