I always kept a few more gathering wood, then there were building, as the wood supply goes down very fast when you only have 50 available. Once you build a hut, one more castaway is added to the tribe/group. You will quickly run out of wood and the castaway building will have to stop.

I suggest keeping your one castaway cutting wood while the other one builds. Then drag your castaway to the hut to build. It has a black background, when it turns green you are able to click and put it down. If you click on the build button and then click on small hut you are give a hut to drag around the island. Once you reach 50 you unlock the ability to build a small hut. Drag your castaways to trees until you see the axe symbol appear and they will collect the wood.

Talk to the tiki to get your first challenge to collect 50 wood. If you talk to the Tiki guy you first went to he will continue to give you challenges. If you hit the escape progress button you see a map and also a list of challenges not completed.

You then learn how to drag your castaways to the trees to cut wood. The first thing you need to do is talk to the tiki and that unlocks the axe. There is also a tutorial on that guides you through learning some of the steps. When starting the game you come into the island to see a Tiki guy standing in front of you.

Island paradise 2 cheats