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

Execution · Practiced Mastery
Anime-styled mech action game built around looting and outfitting your Arsenal.

Optimization · Practiced Mastery
A formation-based horizontal shmup where managing your options configuration and memorising scripted enemy patterns is the game.
Daemon X Machina leans Execution (Practiced Mastery); Gradius V leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Daemon X Machina
Aerial mech combat rewards aim and boost management
Gradius V
Maintaining power-up state through dense formation fire demands precision
Daemon X Machina leans a little harder on reads, though the gap is small.
Daemon X Machina
Scripted AI Arsenals; light PvP mode
Gradius V
All enemy patterns are scripted Konami-classic formations
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Daemon X Machina
Loot drops add mild randomness
Gradius V
Minimal; stages are nearly deterministic
Gradius V leans a little harder on optimization, though the gap is small.
Daemon X Machina
Arsenal outfitting and body modification drive power
Gradius V
Options configuration, power-up sequencing, and checkpoint recovery 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.