head to head
Super Smash Bros. Melee asks more than Digimon Rumble Arena 2, and the gap is execution.

Execution · Competitive PvP
A party platform fighter testing scramble execution and couch-rival prediction.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.
Digimon Rumble Arena 2 leans Execution (Competitive PvP); Super Smash Bros. Melee leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
Digimon Rumble Arena 2
Smash-style movement and attack timing in chaotic arenas
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
Super Smash Bros. Melee leans clearly harder on reads.
Digimon Rumble Arena 2
Couch opponents bait digivolutions and punishes
Super Smash Bros. Melee
Reading DI choices and opponent adaptive habits is constant and non-convergent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Digimon Rumble Arena 2
Item and power-up spawns shuffle fights
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
Super Smash Bros. Melee leans clearly harder on optimization.
Digimon Rumble Arena 2
Character matchups and stage knowledge add light depth
Super Smash Bros. Melee
Character matchup tiers and optimal movement routing are deeply studied
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.