Building comparison
head to head
Fallout: New VegasvsOpus Magnum
Fallout: New Vegas asks more than Opus Magnum, and the gap is execution.
Fallout: New Vegas
Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Opus Magnum
Optimization · Pure Optimization
An alchemical machine-building puzzle where the real game is optimizing cost, cycles, and area.
Fallout: New Vegas leans Optimization (Pure Optimization); Opus Magnum leans Optimization (Pure Optimization).
Fallout: New VegasOpus Magnum
Axis by axis
Execution4 vs 2
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Opus Magnum
Placing and timing alchemical arms has minor dexterity demand
Reads1 vs 0
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Opus Magnum
No opponent; solo construction puzzle
Variance2 vs 0
Fallout: New Vegas leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
Opus Magnum
Transmutation puzzles are deterministic with fixed inputs
Optimization8 vs 9
Opus Magnum leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Opus Magnum
Engineering compact efficient alchemical machines to produce target molecules
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.