head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Accessible kart racing where merging cars trades driving for turret chaos.

Execution · Twitch Chaos
A mobile racing runner testing reflex lane-play under item RNG and upgrade grind.
Crash Tag Team Racing leans Execution (Practiced Mastery); Sonic Forces: Speed Battle leans Execution (Twitch Chaos).
Sonic Forces: Speed Battle leans a little harder on execution, though the gap is small.
Crash Tag Team Racing
Driving and turret aim ask moderate kid-friendly hands
Sonic Forces: Speed Battle
Lane-switch timing and trap dodging decide races
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Tag Team Racing
Clashing with humans adds slight positional guessing
Sonic Forces: Speed Battle
Live opponents exist but interaction is mostly indirect items
Sonic Forces: Speed Battle leans a little harder on variance, though the gap is small.
Crash Tag Team Racing
Item luck and clash chaos shake up races
Sonic Forces: Speed Battle
Item rolls and character gacha swing outcomes
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Tag Team Racing
Track routes and car upgrades are quickly learnable
Sonic Forces: Speed Battle
Character upgrades and route knowledge compound over time
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.