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.

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

Map Size of
map (feet)
Size of
map (blocks)
area (feet)
area (blocks)
Floating Islands
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]

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]

Advantages of Large Worlds[edit]

  • 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.
  • There is a larger amount of ore.
  • There is a larger amount of wood.
  • There are more Shrines.
  • There is a greater chance of having lakes big enough for fishing in surface biomes.
  • The Lihzahrd 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.
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