Those reward chests aren’t exactly generous.
Try your best to set up a renewable source of food early on.This will also show who has earned the most achievements and contributed most to the size of the world border. You can hold ‘tab’ to see a list of online players.It’s best not to cover up that Quartz block you spawn on. After completing certain achievements, you'll get some new "friends" join you in your world to help you progress.Earn those achievements, make the most of your restricted new home, and see if you can finish the game! You can play single player, or with your friends on a server. As your captive world slowly expands, you gain access to new resources, special areas, and rewards. When you first begin, the space you have available is quite limited - you can’t move further than the block you spawn on. However, for each Minecraft achievement you earn, the world border increases in each direction by one block.
Captive Minecraft is a new survival game type that traps you in a world border - an impenetrable wall which prevents you from exploring the world surrounding you.