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 · Competitive PvP
A class-based objective shooter remembered for its parkour movement and rocky launch.

Execution · Pure Mechanics
Classic WWII shooter whose objective-based multiplayer defined a genre.
Brink leans Execution (Competitive PvP); Return to Castle Wolfenstein leans Execution (Pure Mechanics).
Return to Castle Wolfenstein leans a little harder on execution, though the gap is small.
Brink
SMART parkour and gunfights demand FPS mechanics
Return to Castle Wolfenstein
Fast strafing and precise hitscan aim dominate duels
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Brink
Human teams contest objectives and flank routes
Return to Castle Wolfenstein
Multiplayer objective pushes hinge on outguessing human defense
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brink
Spawn and objective chaos adds noise
Return to Castle Wolfenstein
Fixed objectives and scripted singleplayer enemies, little randomness
Return to Castle Wolfenstein leans a little harder on optimization, though the gap is small.
Brink
Class loadouts and objective timing are learnable
Return to Castle Wolfenstein
Objective timings, class roles, and routes reward 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.