head to head
Neither is simply harder - they are hard in different places. Counter-Strike: Global Offensive demands more execution; Mini Royale demands more variance.

Execution · Competitive PvP
Definitive competitive tactical FPS balancing aim mastery with team strategy.

Execution · Competitive PvP
Battle-royale gunfights testing aim and positioning reads under loot randomness.
Counter-Strike: Global Offensive leans Execution (Competitive PvP); Mini Royale leans Execution (Competitive PvP).
Counter-Strike: Global Offensive leans clearly harder on execution.
Counter-Strike: Global Offensive
Spray control and flick precision at the top
Mini Royale
Aimbot would dominate every toy-soldier firefight
Counter-Strike: Global Offensive leans clearly harder on reads.
Counter-Strike: Global Offensive
Anti-stratting and mid-round adaptation
Mini Royale
Fifty human players to predict in positioning and pushes
Mini Royale leans clearly harder on variance.
Counter-Strike: Global Offensive
Information hidden until contact
Mini Royale
Loot spawns and circle placement shake up every match
Counter-Strike: Global Offensive leans clearly harder on optimization.
Counter-Strike: Global Offensive
Utility lineups, economy, and default strats
Mini Royale
Drop spots and loadout knowledge form a thin solvable layer
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.