Building comparison
head to head
PortalvsThere Came an Echo
Neither is simply harder - they are hard in different places. Portal demands more execution; There Came an Echo demands more reads.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
There Came an Echo
Optimization · Pure Optimization
A voice-controlled tactics game testing command planning and unit positioning.
Portal leans Optimization (Pure Optimization); There Came an Echo leans Optimization (Pure Optimization).
PortalThere Came an Echo
Axis by axis
Execution4 vs 2
Portal leans clearly harder on execution.
Portal
Portal placement timing modest.
There Came an Echo
Voice commands need no physical dexterity
Reads0 vs 3
There Came an Echo leans clearly harder on reads.
Portal
No adversary modeling player.
There Came an Echo
Enemy AI scripted, allows limited prediction only
Variance0 vs 3
There Came an Echo leans clearly harder on variance.
Portal
Deterministic chambers; no randomness.
There Came an Echo
Voice recognition and combat add some unpredictability
Optimization8 vs 7
Portal leans a little harder on optimization, though the gap is small.
Portal
Pure puzzle-solving optimization.
There Came an Echo
Issuing positioning and timing commands wins encounters
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.