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 · Systems & Chaos
A tabletop-flavored RPG about an android surviving on a derelict station.

Optimization · Systems & Chaos
A beloved story-driven Mystery Dungeon RPG where you play as a Pokémon exploring randomized dungeons.
Citizen Sleeper leans Optimization (Systems & Chaos); Pokémon Mystery Dungeon: Explorers of Sky leans Optimization (Systems & Chaos).
Pokémon Mystery Dungeon: Explorers of Sky leans a little harder on execution, though the gap is small.
Citizen Sleeper
Dice placement, no manual skill.
Pokémon Mystery Dungeon: Explorers of Sky
Turn-based; no dexterity
Citizen Sleeper leans a little harder on reads, though the gap is small.
Citizen Sleeper
NPCs follow branching scripts.
Pokémon Mystery Dungeon: Explorers of Sky
No adaptive opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Citizen Sleeper
Daily dice rolls drive outcomes.
Pokémon Mystery Dungeon: Explorers of Sky
Random floors and item luck, cushioned by forgiving design
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Citizen Sleeper
Action allocation and clock management dominate.
Pokémon Mystery Dungeon: Explorers of Sky
Type matchups, recruiting, and move sets are 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.