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 · Mind & Math
Real-time PvP card battler decided by elixir trades and outguessing your opponent.

Reads · Mind & Math
Slow-burn tank PvP with deep meta.
Clash Royale leans Reads (Mind & Math); World of Tanks leans Reads (Mind & Math).
World of Tanks leans a little harder on execution, though the gap is small.
Clash Royale
Placement precision and elixir timing under pressure
World of Tanks
Aim and lead matter but slow
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Clash Royale
Live human opponent baits and counters you
World of Tanks
Map positioning versus humans is reads
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Clash Royale
Opponent's deck hidden until cards appear
World of Tanks
Shell RNG and matchmaking swing fights
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Clash Royale
Elixir trades and matchup theory are deep
World of Tanks
Tank loadouts and crew skills solvable
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.