head to head
Neither is simply harder - they are hard in different places. DoDonPachi DaiFukkatsu demands more execution; Grand Theft Auto V demands more reads.

Execution · Practiced Mastery
A danmaku arcade shmup where surviving cascading bullet curtains and optimising hyper-cancel chaining pushes execution to its ceiling.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
DoDonPachi DaiFukkatsu leans Execution (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
DoDonPachi DaiFukkatsu leans clearly harder on execution.
DoDonPachi DaiFukkatsu
Surviving dense bullet curtains at high speed demands peak precision
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans clearly harder on reads.
DoDonPachi DaiFukkatsu
Scripted enemy patterns only - no adaptive opponent
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
DoDonPachi DaiFukkatsu
Rank system and some random bullet timings add pressure
Grand Theft Auto V
Some mission and lobby randomness.
DoDonPachi DaiFukkatsu leans clearly harder on optimization.
DoDonPachi DaiFukkatsu
Hyper cancels, chaining, and routing for maximum score are fully solvable
Grand Theft Auto V
Heists, money loops, builds learnable.
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.