Terraria's gameplay is similar to Minecraft, players in the simulation of the 2D world by digging useful resources to build buildings, explore the world to build a variety of weapons to protect themselves, and ready to fight with monsters, in addition to players also need to fight with nearly twenty powerful bosses.

First of all just enter the game must be the first to create the role, when choose the role after the player can learn about the details of the role selection, role difficulty and map difficulty will be detailed out, map difficulty are: tourist mode, normal mode, expert mode, master mode, each mode of play is different. Players can pick up an axe and cut a tree to make a workbench, which is the basic opening of survival games. Players must remember to get any materials to remember to ask the guide. When building a house one must remember to have walls, walls, doors, windows, tables, chairs and torches! But it is best to be sure to build a house out in time for darkness. Be sure to collect ore to upgrade your tools as well as your tool table, such as pickaxe, if you do not respond when digging for ore, it means you do not have enough pickaxe power.

The game is divided into two modes, single player mode as well as multiplayer mode, in this game there is no no official player level or class system , according to the type of damage, weapons can be divided into four categories: melee, long-range, magic and summoning .