Building comparison
head to head
80 DaysvsFallout Shelter
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
80 Days
Optimization · Systems & Chaos
A narrative race around an alternate steampunk world balancing routes, money, and time.
Fallout Shelter
Optimization · Pure Optimization
A vault management sim about optimising dwellers, rooms, and resource loops.
80 Days leans Optimization (Systems & Chaos); Fallout Shelter leans Optimization (Pure Optimization).
80 DaysFallout Shelter
Axis by axis
Execution0 vs 0
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
80 Days
Menu choices only, no physical skill
Fallout Shelter
Tapping menus only
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
80 Days
NPCs follow scripted branches, never adapt
Fallout Shelter
No opponent
Variance5 vs 4
80 Days leans a little harder on variance, though the gap is small.
80 Days
Unknown routes, events, and market prices on first runs
Fallout Shelter
Incident spawns and lunchbox loot rolls
Optimization7 vs 7
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
80 Days
Routing, packing, and trading converge to optimal circumnavigations
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.