Castaway Paradise

You will need to do this to rebuild Amelia's Planehouse, the Lighthouse, Viktoria's Mansion, Francis' Pirateshack, Angus' Trailer or Harold's Museum as they all require a bridge to get to. There are two bridges available, one leading to the Western Island and one that leads to the Northern Island. Both will cost 9 Puzzle Pieces each. Puzzle Pieces are earned through quests or you can purchase them from the store for 2,000 coins a piece (unlimited buy).

As soon as you have 9 Puzzle Pieces, unlock either bridge and wait for it to be built. As soon as it is completed, the trophy will unlock. Each bridge has two build stages - the first will be a wooden bridge and the second will be a stone bridge. You only need to do the first one for this trophy.

If you want to do this quickly by buying Puzzle Pieces from the store, see More room to fill! for a quick and easy way to earn a lot of coins in a short period of time.