head to head
Lethal League asks more than Dragon Ball Z: Budokai Tenkaichi 3, and the gap is reads.

Execution · Competitive PvP
Fast arena-fighter execution plus guessing games against a human opponent.

Execution · Competitive PvP
A PvP fighter where players smack an accelerating ball at each other until someone dies.
Dragon Ball Z: Budokai Tenkaichi 3 leans Execution (Competitive PvP); Lethal League leans Execution (Competitive PvP).
Lethal League leans a little harder on execution, though the gap is small.
Dragon Ball Z: Budokai Tenkaichi 3
Combo timing, dashes and beam clashes demand fast hands
Lethal League
Hitting a ball at absurd speeds demands frame-tight timing
Lethal League leans clearly harder on reads.
Dragon Ball Z: Budokai Tenkaichi 3
Versus humans, baiting counters and vanish wars is prediction
Lethal League
Human duels hinge on baiting and predicting swings
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai Tenkaichi 3
Almost nothing hidden once both rosters are known
Lethal League
Ball physics are deterministic
Dragon Ball Z: Budokai Tenkaichi 3 leans a little harder on optimization, though the gap is small.
Dragon Ball Z: Budokai Tenkaichi 3
Character tiers and combo routes form a learnable layer
Lethal League
Small movesets, light character knowledge layer
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.