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 · Grand Arena
Console-friendly RTS where leader powers, base management, and Blitz card battles test both micro and opponent reading.

Execution · Grand Arena
Hero shooter with team-up ability synergies.
Halo Wars 2 leans Execution (Grand Arena); Marvel Rivals leans Execution (Grand Arena).
Marvel Rivals leans a little harder on execution, though the gap is small.
Halo Wars 2
Leader power activation and Blitz card plays need precise timing
Marvel Rivals
Hero aim and ability timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Wars 2
Opponent leader choice and Blitz deck strategy must be predicted
Marvel Rivals
Team-fight cooldown trading is prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Wars 2
Blitz card draw and resource crate spawns add moderate uncertainty
Marvel Rivals
Map and team comp roll affects
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Wars 2
Leader power cooldown sequencing and base slot assignment are learnable
Marvel Rivals
Hero synergies and team-up combos deep
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.