head to head
Halo 5: Guardians asks more than Super Mario Odyssey, and the gap is reads.

Execution · Pure Mechanics
Multiplayer-focused Halo with the series' highest movement skill ceiling.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
Halo 5: Guardians leans Execution (Pure Mechanics); Super Mario Odyssey leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Halo 5: Guardians
Thrusters, clamber, and aim raise the ceiling
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
Halo 5: Guardians leans clearly harder on reads.
Halo 5: Guardians
Arena ranked play is human-versus-human
Super Mario Odyssey
No adaptive opponents whatsoever.
Halo 5: Guardians leans a little harder on variance, though the gap is small.
Halo 5: Guardians
Spawns and REQ Warzone randomness
Super Mario Odyssey
Almost no randomness in level design.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Halo 5: Guardians
Movement routes and weapon timers
Super Mario Odyssey
Moon routes and movement tech 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.