head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Pure Optimization
A time-travel puzzle game built entirely on deducing cross-era item interactions with no randomness.

Optimization · Pure Optimization
A cerebral puzzle-adventure that is essentially a logic puzzle to be fully solved.
Day of the Tentacle leans Optimization (Pure Optimization); Riven: The Sequel to Myst leans Optimization (Pure Optimization).
Day of the Tentacle leans a little harder on execution, though the gap is small.
Day of the Tentacle
SCUMM interface eliminates any timing or motor demand
Riven: The Sequel to Myst
no reflex or physical skill required
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Day of the Tentacle
No opponent; multi-era puzzles are fully scripted
Riven: The Sequel to Myst
no opponent present in the game
Day of the Tentacle leans a little harder on variance, though the gap is small.
Day of the Tentacle
Deterministic world state across three time periods
Riven: The Sequel to Myst
fully deterministic puzzle world
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Day of the Tentacle
Cross-era cause-and-effect chains form a tightly solvable logic puzzle
Riven: The Sequel to Myst
pure logic-puzzle solving, walkthrough-solvable
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.