head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Pure Optimization
A dungeon-crawling MMORPG where labyrinthine D&D character builds are the true endgame.

Optimization · Pure Optimization
An MMO solved through efficiency routing with niche tick-execution skill ceilings.
Dungeons & Dragons Online leans Optimization (Pure Optimization); Old School RuneScape leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dungeons & Dragons Online
Active dodging, traps, and jumping reward real hands.
Old School RuneScape
Tick-perfect inputs in high-end PvM
Old School RuneScape leans a little harder on reads, though the gap is small.
Dungeons & Dragons Online
Dungeon AI is scripted, never adaptive.
Old School RuneScape
PvP wilderness has genuine read element
Old School RuneScape leans a little harder on variance, though the gap is small.
Dungeons & Dragons Online
Trap placements and dice rolls inject some randomness.
Old School RuneScape
Drop rates and clue RNG drive economy
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dungeons & Dragons Online
Multiclass build planning is famously deep and solvable.
Old School RuneScape
Efficiency, routing, and GP/hour fully theorycrafted
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.