head to head
New Star Manager asks more than Portal 2, and the gap is variance.

Optimization · Pure Optimization
A soccer management sim about optimizing squad, finances and tactics over a career.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
New Star Manager leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Portal 2 leans a little harder on execution, though the gap is small.
New Star Manager
Menu and tap input, no physical performance demand
Portal 2
Portal placement requires some precision but timing is lenient.
New Star Manager leans clearly harder on reads.
New Star Manager
AI opponents follow systems, not adaptive mind-modelling
Portal 2
No opponent; puzzles are static.
New Star Manager leans clearly harder on variance.
New Star Manager
Match outcomes and events carry meaningful randomness
Portal 2
Puzzles are deterministic with no randomness.
Portal 2 leans a little harder on optimization, though the gap is small.
New Star Manager
Squad building, training and tactics 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.