Fallout: New Vegas is often considered the best Fallout game for fans of heavy RPG mechanics. It has some complex formulas that harken back to the original games and their tabletop roots. Obsidian Entertainment went in a far more complex direction with New Vegas by giving player tons of creative freedom with how they build their characters. Nowhere was this more apparent than with the Skills.
Source：https://www.cbr.com/fallout-new-vegas-best-skills/
