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
A multiplayer survival sandbox where human adversaries make every base a target.

Optimization · Grand Arena
Blizzard's hero-centric RTS where build-order theory meets surgical unit micro against humans.
Rust leans Reads (Grand Arena); Warcraft III: Reign of Chaos leans Optimization (Grand Arena).
Warcraft III: Reign of Chaos leans a little harder on execution, though the gap is small.
Rust
Aim and recoil control crucial in PvP encounters.
Warcraft III: Reign of Chaos
Micro of heroes and units decides fights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rust
Human raiders and roamers adapt to your patterns constantly.
Warcraft III: Reign of Chaos
Scouting and out-guessing a human opponent's tech
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rust
Loot and resource spawns add modest randomness.
Warcraft III: Reign of Chaos
Creep routes and item drops add randomness
Warcraft III: Reign of Chaos leans a little harder on optimization, though the gap is small.
Rust
Base design, farming, and raid prep dominate strategy.
Warcraft III: Reign of Chaos
Build orders, creeping routes, and matchup theory run 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.