Feed Sam avocados

Catch an oarfish

Fail to catch 10 fish

Help Gustav rebuild a bridge

Find Poppy in a cave

Use balloons 3 times

Catch every fish in one spot

Catch every fish

Build 10 bird nests

Complete any of Nigel's field journals

Jump off the island into the ocean

Clean up the archipelago

Catch the same fish 3 times in a row

Plant 15 lotuses