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

Optimization · Pure Optimization
A vault management sim about optimising dwellers, rooms, and resource loops.

Optimization · Systems & Chaos
Sifting hidden documents and deducing which evidence shapes the scripted story.
Fallout Shelter leans Optimization (Pure Optimization); Orwell: Ignorance is Strength leans Optimization (Systems & Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout Shelter
Tapping menus only
Orwell: Ignorance is Strength
Reading documents and dragging datachunks needs no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout Shelter
No opponent
Orwell: Ignorance is Strength
Characters follow scripted branches, not adaptive minds
Orwell: Ignorance is Strength leans a little harder on variance, though the gap is small.
Fallout Shelter
Incident spawns and lunchbox loot rolls
Orwell: Ignorance is Strength
The story is hidden information you gradually surface
Fallout Shelter leans a little harder on optimization, though the gap is small.
Fallout Shelter
Dweller stats and room layout are fully solvable
Orwell: Ignorance is Strength
Choosing which evidence to upload is a solvable deduction puzzle
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.