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Map size

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Map size refers to the size of a Terraria world. Upon creation, on the Desktop version Desktop and Console version Console versions, you can select either "small", "medium", or "large" for the size of the map you generate. On the Mobile version Mobile and 3DS versionDS versions, you can select either "normal" or "expanded". The worlds are smaller due to less storage. An Mobile version3DS version "expanded" world is the equivalent of a Desktop versionConsole version "small" world.

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

Map Size of map
Size of map
Accessible area
Accessible area
Floating Islands
Mobile version3DS version Normal 3500 × 1800 1750 × 900 3486 × 1786 1743 × 893 2–5
Desktop versionConsole version Small /
Mobile version3DS version[1] Expanded
8400 × 2400 4200 × 1200 8234 × 2234 4117 × 1117 2–3 (1–4 Mobile version)
Desktop versionConsole version Medium 12800 × 3600 6400 × 1800 12634 × 3434 6317 × 1717 4–6
Desktop versionConsole version Large 16800 × 4800 8400 × 2400 16634 × 4634 8317 × 2317 4–8
  1. On the 3DS version DS version, expanded worlds are only available on the western versions (North American, European) of New 3DS Logo.png. On the Mobile version Mobile version, if your device has less than 1 GB of memory available, you may experience performance issues while creating an expanded world, which is not available on devices with less than 512 MB.

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.
    • The Wyvern spawn level is higher making above-ground housing safer at low altitudes.
    • Conversely, there is more below-ground space that counts as "surface", which can be used for farms of "surface-only" plants like trees or mushrooms.
    • 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 greater chance of having lakes big enough for fishing in surface biomes.
    • The surface terrain tends to be more varied and interesting.
  • There is more "stuff" in the world: