Never dig straight down.
Torches can create temporary air pockets underwater.
Signs and ladders stop the flow of liquids.
Blazes hate snowballs.
Chance Cubes can be very dangerous! Be careful!
You can mark locations on your minimap by making waypoints.
Dungeons can be a good way of obtaining loot early game, but they are dangerous.
Use voice chat! ("Left-Alt" key by default). You can configure it using the "." key.
Monsters that spawn at night are very hostile! They will even try to break into your base!
Make sure to defend your base at night.
You can claim land so that nobody else can destroy your base by clicking the map icon in your inventory.
Don't die!
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!