head to head
Neither is simply harder - they are hard in different places. Empire Earth demands more optimization; SpyParty demands more reads.

Optimization · Mind & Math
14-epoch RTS where economic scaling, epoch-rush timing, and civilization counter-picks span stone age to future war.

Reads · Pure Mind Games
A spy performs missions at a cocktail party while a sniper studies the crowd for one inhuman tell.
Empire Earth leans Optimization (Mind & Math); SpyParty leans Reads (Pure Mind Games).
Empire Earth leans a little harder on execution, though the gap is small.
Empire Earth
Epoch-spanning army micro and hero management need consistent attention
SpyParty
Sniper aim and spy input precision matter at high level.
SpyParty leans clearly harder on reads.
Empire Earth
Opponent epoch rush and civilization bonuses must be predicted
SpyParty
Pure 1v1 behavioral modeling; both players adapt endlessly.
SpyParty leans a little harder on variance, though the gap is small.
Empire Earth
Map resource distribution adds uncertainty at start; converges quickly
SpyParty
Mission sets and partygoer randomness add modest noise.
Empire Earth leans clearly harder on optimization.
Empire Earth
Epoch advancement timing and citizen allocation are near-optimally solvable
SpyParty
Tells, timings, and mission orders reward deep study.
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.