head to head
Planet Puzzle League asks more than Tetris Effect: Connected, and the gap is reads.

Execution · Pure Mechanics
A fast tile-matching puzzle testing speed swapping and chain construction.

Execution · Pure Mechanics
The classic execution-under-acceleration test wrapped in an immersive audiovisual experience.
Planet Puzzle League 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.
Planet Puzzle League
Lightning-fast panel swapping under pressure is the core skill
Tetris Effect: Connected
Precision placement under acceleration is the entire skill ceiling
Planet Puzzle League leans clearly harder on reads.
Planet Puzzle League
Versus play involves anticipating opponent garbage timing
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.
Planet Puzzle League
Panel colors are random but rapidly mappable
Tetris Effect: Connected
Piece bag is bounded random but quickly mappable
Planet Puzzle League leans a little harder on optimization, though the gap is small.
Planet Puzzle League
Chain and combo patterns have known optimal stacking
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.