head to head
Out of the Park Baseball 20 asks more than RimWorld, and the gap is reads.

Optimization · Pure Optimization
A baseball management sim testing roster-building and statistical optimization over long seasons.

Optimization · Systems & Chaos
A colony sim where the storyteller's randomness tests your designed defenses.
Out of the Park Baseball 20 leans Optimization (Pure Optimization); RimWorld leans Optimization (Systems & Chaos).
RimWorld leans a little harder on execution, though the gap is small.
Out of the Park Baseball 20
No physical input; you manage, not play
RimWorld
Pausable, no input precision required.
Out of the Park Baseball 20 leans clearly harder on reads.
Out of the Park Baseball 20
AI GMs don't deeply model and adapt to you
RimWorld
Storyteller AI is randomised, not adaptive to you.
RimWorld leans a little harder on variance, though the gap is small.
Out of the Park Baseball 20
Player performance and injuries carry real randomness
RimWorld
Raids, weather, and pawn traits are heavily random.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Out of the Park Baseball 20
Roster construction, scouting, and strategy are the entire game
RimWorld
Colony layout, work priorities, and defenses 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.