head to head
Dungeons & Dragons Online asks more than The Elder Scrolls V: Skyrim, and the gap is optimization.

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

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Dungeons & Dragons Online leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Dungeons & Dragons Online leans a little harder on execution, though the gap is small.
Dungeons & Dragons Online
Active dodging, traps, and jumping reward real hands.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Dungeons & Dragons Online leans a little harder on reads, though the gap is small.
Dungeons & Dragons Online
Dungeon AI is scripted, never adaptive.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Dungeons & Dragons Online leans a little harder on variance, though the gap is small.
Dungeons & Dragons Online
Trap placements and dice rolls inject some randomness.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Dungeons & Dragons Online leans clearly harder on optimization.
Dungeons & Dragons Online
Multiclass build planning is famously deep and solvable.
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.