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

Optimization · Pure Optimization
Stealth adventure about a minstrel mouse sneaking through a rat-run fortress.

Optimization · Practiced Mastery
Family-friendly dungeon crawler that swaps Minecraft's building for loot and hack-and-slash.
Ghost of a Tale leans Optimization (Pure Optimization); Minecraft Dungeons leans Optimization (Practiced Mastery).
Minecraft Dungeons leans a little harder on execution, though the gap is small.
Ghost of a Tale
Light sneak-and-dash timing
Minecraft Dungeons
Dodge-rolls and kiting through mob swarms
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ghost of a Tale
Guard rats patrol fixed mappable routes
Minecraft Dungeons
Enemies are scripted hordes
Minecraft Dungeons leans a little harder on variance, though the gap is small.
Ghost of a Tale
Quest items and routes hidden first time
Minecraft Dungeons
Random loot and enchantment rolls drive power
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ghost of a Tale
Costumes, routes, and quest-chain solutions
Minecraft Dungeons
Gear synergies and enchant builds carry difficulty
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.