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
Post-apocalyptic colony management with world-map expeditions.

Optimization · Pure Optimization
Juggling rival faction demands and island economics to keep your dictator in power.
Surviving the Aftermath leans Optimization (Pure Optimization); Tropico 4 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.
Surviving the Aftermath
no reflex
Tropico 4
Decree-clicking requires no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Surviving the Aftermath
no adversary
Tropico 4
Faction AI follows fixed ideological scripts, not player modeling
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Surviving the Aftermath
weather, raids, world events
Tropico 4
Random events and election outcomes inject meaningful uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Surviving the Aftermath
colony layout and specialists
Tropico 4
Balancing factions, treasury, and production chains is the core loop
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.