Building comparison
head to head
LoomvsOpus Magnum
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Loom
Optimization · Pure Optimization
A musical adventure where learning and reversing melodic spells forms a closed combinatorial puzzle system.
Opus Magnum
Optimization · Pure Optimization
An alchemical machine-building puzzle where the real game is optimizing cost, cycles, and area.
Loom leans Optimization (Pure Optimization); Opus Magnum leans Optimization (Pure Optimization).
LoomOpus Magnum
Axis by axis
Execution2 vs 2
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Loom
Musical spell sequences require accurate note input under light pressure
Opus Magnum
Placing and timing alchemical arms has minor dexterity demand
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Loom
Fantasy narrative with scripted antagonists
Opus Magnum
No opponent; solo construction puzzle
Variance1 vs 0
Loom leans a little harder on variance, though the gap is small.
Loom
Deterministic world with no randomised elements
Opus Magnum
Transmutation puzzles are deterministic with fixed inputs
Optimization8 vs 9
Opus Magnum leans a little harder on optimization, though the gap is small.
Loom
Learning and combining distaff spells in the correct order is a fully solvable logic system
Opus Magnum
Engineering compact efficient alchemical machines to produce target molecules
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.