head to head
Really Big Sky asks more than Super Mario Odyssey, and the gap is variance.

Execution · Pure Mechanics
A procedural bullet-hell shooter testing dodging and aim across endless waves.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
Really Big Sky 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.
Really Big Sky
Dodging dense bullet hell and aiming decides survival
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
Really Big Sky leans a little harder on reads, though the gap is small.
Really Big Sky
Enemies follow scripted patterns, not adapting
Super Mario Odyssey
No adaptive opponents whatsoever.
Really Big Sky leans clearly harder on variance.
Really Big Sky
Procedural enemy waves and hazards add chaos
Super Mario Odyssey
Almost no randomness in level design.
Super Mario Odyssey leans a little harder on optimization, though the gap is small.
Really Big Sky
Drill timing and upgrade choices reward planning
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.