head to head
Tetris 99 asks more than PlanetSide 2, and the gap is execution.

Execution · Practiced Mastery
Massive persistent-war FPS where hundreds of players contest continents simultaneously.

Execution · Pure Mechanics
Battle royale Tetris where raw stacking speed decides who outlasts 98 opponents.
PlanetSide 2 leans Execution (Practiced Mastery); Tetris 99 leans Execution (Pure Mechanics).
Tetris 99 leans clearly harder on execution.
PlanetSide 2
Gunplay and vehicle piloting at FPS standards
Tetris 99
High-speed stacking and finesse define survival
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
PlanetSide 2
Human enemies adapt, diluted across hundreds
Tetris 99
Targeting and badge timing against humans matter mid-match
Tetris 99 leans a little harder on variance, though the gap is small.
PlanetSide 2
Massive battles produce constant chaos
Tetris 99
Incoming garbage timing and piece sequence add chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
PlanetSide 2
Loadouts, terrain, and territory strategy matter
Tetris 99
Stacking theory and downstack efficiency are studied skills
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.