Successfully complete the indicated task to unlock the corresponding trophy:

Kapp'n: Exceed 300 ft. combined swim distance for all characters.
Master Hand: Successfully complete Classic mode with twenty characters.
Peanut Popgun: Successfully complete Target Smash level 2.
Stafy: Successfully complete Target Smash level 1 with ten characters.
Tom Nook: Collect 1,000 coins in Coin Matches.