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 · Systems & Chaos
Piecing together a stranger's life from hidden information scattered across a simulated phone.

Optimization · Pure Optimization
A vault management sim about optimising dwellers, rooms, and resource loops.
Another Lost Phone: Laura's Story leans Optimization (Systems & Chaos); Fallout Shelter 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.
Another Lost Phone: Laura's Story
Tapping through phone menus has no physical demand
Fallout Shelter
Tapping menus only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Another Lost Phone: Laura's Story
No opponent - a fixed narrative to uncover
Fallout Shelter
No opponent
Another Lost Phone: Laura's Story leans a little harder on variance, though the gap is small.
Another Lost Phone: Laura's Story
Hidden messages and passwords are unknown until pieced together
Fallout Shelter
Incident spawns and lunchbox loot rolls
Fallout Shelter leans a little harder on optimization, though the gap is small.
Another Lost Phone: Laura's Story
Linking clues across apps is a solvable deduction puzzle
Fallout Shelter
Dweller stats and room layout are fully 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.