head to head
Super Tetris 3 asks more than Super Mario World, and the gap is execution.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.

Execution · Pure Mechanics
A Tetris variant collection testing placement speed across multiple rule sets.
Super Mario World leans Execution (Pure Mechanics); Super Tetris 3 leans Execution (Pure Mechanics).
Super Tetris 3 leans clearly harder on execution.
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Super Tetris 3
Precise piece placement under accelerating speed is everything
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario World
Scripted Koopas adapt to nothing
Super Tetris 3
Solo, no opponent to predict in standard modes
Super Tetris 3 leans a little harder on variance, though the gap is small.
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Super Tetris 3
Piece sequence is random but bounded and mappable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario World
Secret exits and route knowledge add a modest solvable layer
Super Tetris 3
Stacking strategy has known optimal patterns
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.