head to head
Murder by Numbers asks more than Helltaker, and the gap is variance.

Optimization · Pure Optimization
Short free sokoban puzzler about assembling a harem of sharply dressed demon girls.

Optimization · Pure Optimization
A visual-novel mystery where every clue is uncovered by solving picross puzzles.
Helltaker leans Optimization (Pure Optimization); Murder by Numbers 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.
Helltaker
One bullet-dodge finale aside, no dexterity
Murder by Numbers
Filling grids unhurried; no dexterity ceiling.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Helltaker
No opponent
Murder by Numbers
Suspects are scripted; mystery never adapts.
Murder by Numbers leans clearly harder on variance.
Helltaker
Fully deterministic puzzles
Murder by Numbers
Whodunit unknown on first pass; picross grids are deterministic.
Murder by Numbers leans a little harder on optimization, though the gap is small.
Helltaker
Each sokoban level has an exact move solution
Murder by Numbers
Nonogram deduction is the literal core loop.
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.