head to head
Neither is simply harder - they are hard in different places. Marvel Snap demands more variance; Throne of Lies: Medieval Politics demands more reads.

Reads · Grand Arena
A fast card game where the snap mechanic makes reads central.

Reads · Pure Mind Games
A social-deduction game about reading and deceiving adapting human players.
Marvel Snap leans Reads (Grand Arena); Throne of Lies: Medieval Politics leans Reads (Pure Mind Games).
Throne of Lies: Medieval Politics leans a little harder on execution, though the gap is small.
Marvel Snap
No execution component
Throne of Lies: Medieval Politics
No dexterity; voting and chatting decide outcomes
Throne of Lies: Medieval Politics leans clearly harder on reads.
Marvel Snap
Snap/retreat decisions are pure opponent psychology
Throne of Lies: Medieval Politics
Reading and deceiving adapting human players is the entire game
Marvel Snap leans clearly harder on variance.
Marvel Snap
Hidden locations and draws drive swings
Throne of Lies: Medieval Politics
Hidden role assignment injects strong concealed information
Marvel Snap leans clearly harder on optimization.
Marvel Snap
Deck construction and curve still matter
Throne of Lies: Medieval Politics
Knowing role abilities and voting math gives an edge
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.