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

Execution · Pure Mechanics
A light-gun rail shooter testing aim and reaction against scripted enemies.

Execution · Pure Mechanics
The classic execution-under-acceleration test wrapped in an immersive audiovisual experience.
Confidential Mission leans Execution (Pure Mechanics); Tetris Effect: Connected 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.
Confidential Mission
Light-gun aim and fast reactions are the whole game
Tetris Effect: Connected
Precision placement under acceleration is the entire skill ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Confidential Mission
Enemies pop on scripts, not adaptive prediction
Tetris Effect: Connected
Zone-battle opponents exist but format leans on execution
Tetris Effect: Connected leans a little harder on variance, though the gap is small.
Confidential Mission
Enemy appearance timing adds minor randomness
Tetris Effect: Connected
Piece bag is bounded random but quickly mappable
Tetris Effect: Connected leans a little harder on optimization, though the gap is small.
Confidential Mission
Memorizing enemy positions rewards repeated play
Tetris Effect: Connected
T-spin and stacking strategy is knowable but execution overrides it
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.