Hustle

Hustle increases the ability-bearer's Attack by 50%, however, it also reduces the Accuracy of all Physical moves by 20%.

If a Pokémon with Hustle is the leading party Pokémon, wild Pokémon are 50% more likely to be higher level.

Game descriptions

Ruby
Sapphire
FireRed
LeafGreen
Emerald
Trades accuracy for power.
Diamond
Pearl
Platinum
HeartGold
SoulSilver
Boosts the Attack stat, but lowers accuracy.
Black
White
Black 2
White 2
Boosts the Attack stat, but lowers accuracy.
X
Y
O.Ruby
A.Sapphire
Boosts the Attack stat, but lowers accuracy.
Sun
Moon
Ultra Sun
Ultra Moon
Boosts the Attack stat, but lowers accuracy.
Sword
Shield
B.Diamond
S.Pearl
Boosts the Attack stat, but lowers accuracy.

Other languages

EnglishHustle
SpanishEntusiasmo
ItalianTuttafretta
Japaneseはりきり (Harikiri)
GermanÜbereifer
FrenchAgitation