Building comparison
head to head
Pokémon Ultra MoonvsPortal 2
Neither is simply harder - they are hard in different places. Pokémon Ultra Moon demands more variance; Portal 2 demands more execution.
Pokémon Ultra Moon
Optimization · Pure Optimization
Turn-based team-building optimization with collection RNG and optional human battles.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Pokémon Ultra Moon leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Pokémon Ultra MoonPortal 2
Axis by axis
Execution1 vs 3
Portal 2 leans clearly harder on execution.
Pokémon Ultra Moon
Turn-based menus require no dexterity
Portal 2
Portal placement requires some precision but timing is lenient.
Reads3 vs 0
Pokémon Ultra Moon leans clearly harder on reads.
Pokémon Ultra Moon
Only human link battles involve predicting switches
Portal 2
No opponent; puzzles are static.
Variance4 vs 0
Pokémon Ultra Moon leans clearly harder on variance.
Pokémon Ultra Moon
Wild encounters, IVs and catch rolls add randomness
Portal 2
Puzzles are deterministic with no randomness.
Optimization8 vs 9
Portal 2 leans a little harder on optimization, though the gap is small.
Pokémon Ultra Moon
Type matchups and team building are the solvable core
Portal 2
Solving the puzzle's logic IS the entire game.
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.