head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Pure Optimization
A Pathfinder system-mastery game where feat optimization and kingdom timeline routing determine survival.

Optimization · Pure Optimization
Mastering interlocking social engineering and tech-tree systems on a programmable alien world.
Pathfinder: Kingmaker leans Optimization (Pure Optimization); Sid Meier's Alpha Centauri 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.
Pathfinder: Kingmaker
Real-time-with-pause removes twitch; timed kingdom events add pressure marginally
Sid Meier's Alpha Centauri
Turn-based; no twitch element at all
Sid Meier's Alpha Centauri leans a little harder on reads, though the gap is small.
Pathfinder: Kingmaker
All enemies and advisors follow scripted patterns without player modelling
Sid Meier's Alpha Centauri
AI faction leaders follow fixed personality scripts
Pathfinder: Kingmaker leans a little harder on variance, though the gap is small.
Pathfinder: Kingmaker
Hidden ability check thresholds and timed kingdom deadlines create unknowns
Sid Meier's Alpha Centauri
Xenofungus and psi combat add some irreducible randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pathfinder: Kingmaker
Pathfinder feat chains and kingdom management routing have known optimal solutions
Sid Meier's Alpha Centauri
Tech tree, social engineering, and base placement are essentially solvable
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.