First Island

Minor Tip : Read what the character writes into his diary. It's helpful stuff. Apart from that: just advance through the "tech tree". Try to craft all kinds of tools and buildings that are possible. You will get new objectives at a certain point.

GUIDE:

Build fire, shelter and a storage to get enough skill to build a Treehouse. Following completion of the Treehouse, you will find a picklock in the mud. You can use that picklock on the chest,besides a small island with turtles gaurding it ( Turtles are passive ) and solve the number puzzle. You will achieve a map that was inside the treasure chest , and then a Pirate will show up, complaining about "his" map that you have found. After a chat with the Pirate,you will have to dig him up his lost treasure. During the digging,you will encounter 1.A battle with Claw Monkeys 2.A rapid-growing Grapewine 3.A flaming turtle. Then you will need to have another quick chat with the Pirate,as you discover that he had a parrot that is now dead,and he would like another one to accompany him. You are then required to craft a net and catch a parrot for the Pirate. With another quick-chat with the Pirate,you discover that the Pirate has his very own island,and is now satisfied with his new parrot. You are then given time to prepare for the journey to second island , and when you are done preparing you can talk to the pirate and then you will be on your way...