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Editors, please note: When updating information for items that existed prior to 1.3, remember that there are other, non-PC editions of the game to which the old information still applies. Try not to remove this older information as you add new 1.3 information.

Map size

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Map size refers to the size of a Terraria world. Upon creation, you can select either "small", "medium", or "large" for the size of the map you generate. On the Mobile Version, you cannot decide the world size.

Dimensions of the different map sizes are as follows: (one block = two feet)

Map Size of
map (feet)
Size of
map (blocks)
Accessible
area (feet)
Accessible
area (blocks)
Floating Islands
Mobile only.pngMobile  ??? x ???  ??? x ???  ??? x ??? 1743 x ??? 2–4
Small 8400 x 2400 4200 x 1200 8234 x 2234 4117 x 1117 2–3
Medium 12800 x 3600 6400 x 1800 12634 x 3434 6317 x 1717 4–5
Large 16800 x 4800 8400 x 2400 16634 x 4634 8317 x 2317 4–6

Map Size Comparison[edit | edit source]

Different world sizes may be better suited for different purposes. Players may find that creating many small worlds may be more efficient than creating large worlds due to the amount of memory needed.

Advantages of Small Worlds[edit | edit source]

Advantages of Large Worlds[edit | edit source]

  • There is more space to build and explore.
  • There are more total chests and pots underground per world.
  • There are more Floating Islands.
  • The Dungeon is larger, with a greater potential to have all three Dungeon Wall types.
  • There are more Corruption/Crimson chasms and Demon Altars. This also means there would be more hardmode ores to generate.
  • There are more Shadow Orbs/Crimson Hearts to destroy, which drop unique and valuable items.
  • The Underworld is longer, potentially giving more time to defeat the Wall of Flesh.
  • The Celestial Towers will be more spread out, reducing the likelihood of the player's base and NPC homes being overrun.
  • There is a larger amount of ore.
  • There is a larger amount of wood.
  • There are more Jungle Shrines.
  • There are more Enchanted Sword Shrines.
  • There is a greater chance of having lakes big enough for fishing in surface biomes.
  • The Jungle Temple is larger and possibly contains more traps and Lihzahrd Power Cells.
  • The Wyvern spawn level is higher making above-ground housing safer at low altitudes.
  • There is a less chance of a meteor doing damage to unprotected structures.
  • The surface terrain tends to be more varied and interesting.
  • More meteors can be in the world.
Game mechanics
 
Combat Attack speed • Autoswing • Critical hit • Damage • Knockback • Minions • Velocity
Environment Ambient objects • Day and night cycle • Environment • Event • Map size • Moon • Music • NPC despawning • NPC spawning • Status messages
Interface Minimap • Title messages
Items Consumable • Crafting stations (By Hand) • Mining speed • Modifiers • NPC drops • Placement • Rarity • Storage • Use time • Value
Game Config.json • Camera mode • Data IDs • Difficulty • Expert mode • Game controls • Lighting mode • NPC names
Multiplayer Chat • Multiplayer
Player Breath meter • Buffs and Debuffs • Death • Defense • Fall damage • Ghost • Health • Inventory • Mana • Player stats • Spawn