head to head
Old School RuneScape asks more than The Elder Scrolls V: Skyrim, and the gap is reads.

Optimization · Pure Optimization
An MMO solved through efficiency routing with niche tick-execution skill ceilings.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Old School RuneScape leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Old School RuneScape leans a little harder on execution, though the gap is small.
Old School RuneScape
Tick-perfect inputs in high-end PvM
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Old School RuneScape leans clearly harder on reads.
Old School RuneScape
PvP wilderness has genuine read element
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Old School RuneScape leans clearly harder on variance.
Old School RuneScape
Drop rates and clue RNG drive economy
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Old School RuneScape leans clearly harder on optimization.
Old School RuneScape
Efficiency, routing, and GP/hour fully theorycrafted
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
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.