head to head
Neither is simply harder - they are hard in different places. Portal demands more execution; Warhammer 40,000: Rogue Trader demands more variance.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.

Optimization · Pure Optimization
A 40K turn-based RPG where conviction stacking and ability chaining produce dominant optimization floors.
Portal leans Optimization (Pure Optimization); Warhammer 40,000: Rogue Trader leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Portal
Portal placement timing modest.
Warhammer 40,000: Rogue Trader
Turn-based grid combat removes all real-time pressure
Warhammer 40,000: Rogue Trader leans a little harder on reads, though the gap is small.
Portal
No adversary modeling player.
Warhammer 40,000: Rogue Trader
Xenos and heretics run fixed scripted AI routines without modelling players
Warhammer 40,000: Rogue Trader leans clearly harder on variance.
Portal
Deterministic chambers; no randomness.
Warhammer 40,000: Rogue Trader
Hidden voidship encounter outcomes and momentum RNG create unknowns
Warhammer 40,000: Rogue Trader leans clearly harder on optimization.
Portal
Pure puzzle-solving optimization.
Warhammer 40,000: Rogue Trader
Arch-Militant conviction stacking and navigator ability chains reach broken optimization ceilings
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.