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 · Practiced Mastery
Twin assassins seize Victorian London borough by borough with gang warfare and a rope launcher.

Optimization · Practiced Mastery
A rhythm-based tribal strategy game.
Assassin's Creed Syndicate leans Optimization (Practiced Mastery); Jungle Rumble leans Optimization (Practiced Mastery).
Assassin's Creed Syndicate leans a little harder on execution, though the gap is small.
Assassin's Creed Syndicate
Rope-launcher traversal and simple brawling
Jungle Rumble
rhythm-timing taps required for combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Syndicate
Gangs are scripted
Jungle Rumble
scripted enemy patterns, no adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Syndicate
Fixed activities
Jungle Rumble
minimal randomness in fixed levels
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Syndicate
Gang upgrades and borough takeover planning
Jungle Rumble
rhythm-strategy sequencing for battles
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.