Minecraft wiki entry for Galaxite, associated text: Fill in the Gaps (FTG), is a building-based minigame that has players competing against the clock and each other! At the beginning of each round, a build spawns at the center of the map.  Players are allowed a short amount of time to examine and study the build before it disappears. Players are sent back to their plots, and the same build spawns in front of them, only with a variety of blocks missing. The players must fill those missing blocks before time runs outs. A percentage is displayed to show how much of the build is complete. There are two rounds for each game of FTG. The faster the build is completed, the higher chance you have at winning!