head to head
Neither is simply harder - they are hard in different places. Ape Academy 2 demands more execution; Hearthstone demands more optimization.

Reads · Bluff & Deduction
A party card-battler testing rock-paper-scissors prediction and minigame reflexes.

Variance · Grand Arena
A digital card game balancing opponent reads against draw variance.
Ape Academy 2 leans Reads (Bluff & Deduction); Hearthstone leans Variance (Grand Arena).
Ape Academy 2 leans clearly harder on execution.
Ape Academy 2
Minigames need some quick reactions
Hearthstone
Clicks only, no mechanical skill
Hearthstone leans a little harder on reads, though the gap is small.
Ape Academy 2
Rock-paper-scissors card duels reward predicting opponents
Hearthstone
Human opponents bluff and adapt mid-match
Hearthstone leans clearly harder on variance.
Ape Academy 2
Card draws and the RPS layer add chance
Hearthstone
Draw RNG and discover effects swing games
Hearthstone leans clearly harder on optimization.
Ape Academy 2
Deck and banana management has shallow strategy
Hearthstone
Deckbuilding, mulligans, and mana curves matter
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.