Building comparison
head to head
Pokémon LeafGreen VersionvsPortal 2
Neither is simply harder - they are hard in different places. Pokémon LeafGreen Version demands more variance; Portal 2 demands more execution.
Pokémon LeafGreen Version
Optimization · Pure Optimization
Building a team and exploiting type-matchup math against scripted trainers.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Pokémon LeafGreen Version leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Pokémon LeafGreen VersionPortal 2
Axis by axis
Execution1 vs 3
Portal 2 leans clearly harder on execution.
Pokémon LeafGreen Version
Menu-driven turn battles demand no physical skill
Portal 2
Portal placement requires some precision but timing is lenient.
Reads1 vs 0
Pokémon LeafGreen Version leans a little harder on reads, though the gap is small.
Pokémon LeafGreen Version
Trainers are scripted; link battles are a side mode
Portal 2
No opponent; puzzles are static.
Variance4 vs 0
Pokémon LeafGreen Version leans clearly harder on variance.
Pokémon LeafGreen Version
Wild encounters, catch rolls and crits add mappable RNG
Portal 2
Puzzles are deterministic with no randomness.
Optimization7 vs 9
Portal 2 leans clearly harder on optimization.
Pokémon LeafGreen Version
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.