Never dig straight down.
Torches can create temporary air pockets underwater.
Signs and ladders stop the flow of liquids.
Blazes hate snowballs.
Chance Cubes spawn in the Underworld and can be mined for a random suprise :)
You can mark locations on your minimap by making waypoints.
Use voice chat! ("Left-Alt" key by default). You can configure it using the "." key.
You can claim land so that nobody else can destroy your base by clicking the map icon in your inventory.
You can create your very own customized dimensions using the items found in Dimlet Parcels.
You can upload your own pictures/gifs on imgur and display them in-game using Online Picture Frames!
You can upload your own music and play it in-game for everyone to hear using the Record Etcher!
Completing bounties (located in your starting base) can reward you with Recall Potions and Wormhole Potions, which can be really useful!
Brewing Villagers sell Recall Potions that teleport you to your spawn point when you drink them!
Dungeons have lots of cool loot that you can't find anywhere else. But be careful, they are dangerous!
The Dungeon Master Villager sells all the different types of Tool/Armor crates.
The Tinkerer Villager sells Bauble items.
Press "C" (By default) to open the Radial Menu.
Chance cubes are disabled in the Overworld, but can be used in any other dimension.
use "/itemblacklist unpack" to unlock any banned items so you can use them in recipes.
Want protection? Construct a Golem! You can make them out of Wood, Clay and other resources, not just only Iron!