head to head
Fallout: New Vegas asks more than The Room 4: Old Sins, and the gap is execution.

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

Optimization · Pure Optimization
Methodically decoding intricate fixed mechanisms hidden in a puzzle dollhouse.
Fallout: New Vegas leans Optimization (Pure Optimization); The Room 4: Old Sins leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
The Room 4: Old Sins
Twisting mechanisms onscreen takes no dexterity
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
The Room 4: Old Sins
A fixed dollhouse of secrets; nothing adapts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Some loot and crit RNG
The Room 4: Old Sins
Mechanisms are hidden information until discovered
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
The Room 4: Old Sins
Each puzzle box is a deterministic mechanism to decode
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.