head to head
Neither is simply harder - they are hard in different places. Civilization VII demands more variance; Fallout: New Vegas demands more execution.

Optimization · Pure Optimization
Navigating civilization age transitions with deep optimization of legacy paths and economies.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Civilization VII leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Civilization VII
Turn-based menu clicks; no physical ceiling
Fallout: New Vegas
Shooter inputs with VATS assist
Civilization VII leans a little harder on reads, though the gap is small.
Civilization VII
AI scripted per leader personality, not learning your habits
Fallout: New Vegas
Scripted factions and enemies
Civilization VII leans clearly harder on variance.
Civilization VII
Age transitions and hidden resources introduce genuine unknowns
Fallout: New Vegas
Some loot and crit RNG
Civilization VII leans a little harder on optimization, though the gap is small.
Civilization VII
Legacy path and age-transition choices form the core optimization puzzle
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.