head to head
Rule34dle asks more than Kholat, and the gap is variance.

Variance · Systems & Chaos
Map-and-compass navigation through hidden dangers on a hostile mountain.

Variance · Pure Chaos
Guessing hidden popularity counts on internet-culture intuition alone.
Kholat leans Variance (Systems & Chaos); Rule34dle leans Variance (Pure Chaos).
Kholat leans a little harder on execution, though the gap is small.
Kholat
Walking the mountain takes no dexterity
Rule34dle
One higher-or-lower click per round
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kholat
The presence stalks on randomised triggers, not a mind
Rule34dle
No opponent - the database doesn't react
Rule34dle leans clearly harder on variance.
Kholat
Navigating by map coordinates with hidden danger zones
Rule34dle
Post counts are hidden information you guess at
Kholat leans a little harder on optimization, though the gap is small.
Kholat
Landmark navigation and route memory converge with repetition
Rule34dle
Internet-culture intuition slowly maps which tags run big
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.