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.

Reads · Grand Arena
Cold-War base-builder where tight production queues and superweapon races define competitive play.

Execution · Grand Arena
A team-based hero shooter testing aim, prediction of opponents, and objective coordination.
Command & Conquer: Red Alert 2 leans Reads (Grand Arena); Gigantic: Rampage Edition leans Execution (Grand Arena).
Gigantic: Rampage Edition leans a little harder on execution, though the gap is small.
Command & Conquer: Red Alert 2
Superweapon timing and unit grouping require practiced multitasking
Gigantic: Rampage Edition
Aiming abilities and dodging in real-time hero combat matters
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Command & Conquer: Red Alert 2
Opponent faction and rush timing must be scouted and predicted
Gigantic: Rampage Edition
Predicting human teammates and enemies drives 5v5 outplays
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Command & Conquer: Red Alert 2
Map layout is fixed; very little hidden RNG in unit behavior
Gigantic: Rampage Edition
Little randomness; outcomes hinge on team play
Command & Conquer: Red Alert 2 leans a little harder on optimization, though the gap is small.
Command & Conquer: Red Alert 2
Build queues and power grid management are highly optimizable
Gigantic: Rampage Edition
Ability upgrades, objective control and team comp planning
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.