head to head
Superfighters Deluxe asks more than Sportsfriends, and the gap is variance.

Execution · Competitive PvP
Couch-competitive dexterity duels where reading the friend beside you wins games.

Execution · Competitive PvP
Frantic small-arena duels testing reflexes and prediction of human opponents.
Sportsfriends leans Execution (Competitive PvP); Superfighters Deluxe leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Sportsfriends
Pole vaults, joust balance and ball control demand real dexterity
Superfighters Deluxe
Aim, blocks, throws and movement decide frantic small-arena fights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Sportsfriends
Couch opponents bait and adapt face-to-face every round
Superfighters Deluxe
Human opponents constantly adapt positioning and weapon timing
Superfighters Deluxe leans clearly harder on variance.
Sportsfriends
Arenas are fixed, nothing hidden
Superfighters Deluxe
Random weapon spawns and destructible chaos shuffle fights
Superfighters Deluxe leans a little harder on optimization, though the gap is small.
Sportsfriends
Minimal systems - the games are deliberately simple rulesets
Superfighters Deluxe
Map knowledge and weapon priorities are a thin 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.