Feed Sam avocados
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 3 times
Clean up the archipelago
Catch the same fish 3 times in a row
Plant 15 lotuses
Catch an oarfish
Fail to catch 10 fish
Help Gustav rebuild a bridge
Find Poppy in a cave