head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
Turn-based infiltration puzzles with fully solvable deterministic solutions.

Optimization · Pure Optimization
Serene puzzler where rewinding time untangles dioramas of childhood memories.
Deus Ex GO leans Optimization (Pure Optimization); The Gardens Between leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex GO
Turn-based taps, no dexterity at all
The Gardens Between
Only scrubbing time forward and back
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex GO
Guards move by fixed deterministic rules
The Gardens Between
No opposition exists
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex GO
Puzzle states are fully visible from the start
The Gardens Between
Deterministic dioramas
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex GO
Each board is a literally solvable movement puzzle
The Gardens Between
Each island is a clean time-manipulation logic puzzle
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.