head to head
Neither is simply harder - they are hard in different places. Evil Genius 2: World Domination demands more variance; Portal 2 demands more execution.

Optimization · Pure Optimization
Sequel lair-management sim of traps, minions, and global schemes.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Evil Genius 2: World Domination leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Portal 2 leans clearly harder on execution.
Evil Genius 2: World Domination
Menu-driven management, no pressure
Portal 2
Portal placement requires some precision but timing is lenient.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Evil Genius 2: World Domination
Investigator AI is rule-based
Portal 2
No opponent; puzzles are static.
Evil Genius 2: World Domination leans clearly harder on variance.
Evil Genius 2: World Domination
Agent waves and scheme event rolls
Portal 2
Puzzles are deterministic with no randomness.
Portal 2 leans clearly harder on optimization.
Evil Genius 2: World Domination
Lair logistics and minion economy tuning
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.