Collect the gems around one of the world's largest sandcastles, while exploring everything else on the island.
I would say this took about 8 hours to make.
Details
Modification: Platinum
Game type: Singleplayer
Gem count: 9
Has Easter Egg: Yes
Platinum time: 02:20.000
Ultimate time: 01:50.000
Remarks
Fixed Ow.png dependency; reuploaded for Customs Roll Call, June.