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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 version and Console version Console version, you can select either "small", "medium", or "large" for the size of the map you generate. On the Mobile version Mobile version and 3DS version3DS version, you can select either "normal" or "expanded". The worlds are smaller due to less storage. An "expanded" world on Mobile version Mobile and 3DS version3DS is the equivalent of a "small" Desktop version Desktop and Console version Console 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 x 1800 1750 x 900 3486 x 1786 1743 x 893 2–5
Desktop VersionConsole Version Small /
Mobile Version3DS version[1] Expanded
8400 x 2400 4200 x 1200 8234 x 2234 4117 x 1117 2–3 (1–4 Mobile Version)
Desktop VersionConsole Version Medium 12800 x 3600 6400 x 1800 12634 x 3434 6317 x 1717 4–6
Desktop VersionConsole Version Large 16800 x 4800 8400 x 2400 16634 x 4634 8317 x 2317 4–8
  1. On the 3DS version, expanded worlds are only available on the western versions (North American, European) of New 3DS Logo.png. On the mobile version, if your device has less than 1 GB of memory avaliable, you may experience performance issues while creating an expanded world, which is not avaliable 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]

  • Getting to specific locations like the Dungeon, Jungle and Oceans requires less walking.
  • Building skybridges, subways, teleporters, and hellevators is quicker and less costly.
  • Less digging is required to reach the Underworld.
  • Floating Islands are lower and therefore easier to find.
  • Wyverns spawn closer to the ground and are therefore easier to farm.
    • Note though that this can be a double-edged sword as simply being above the treetops can trigger them to spawn.
  • The world generates, saves, and loads faster.
  • Small worlds are more compact potentially making ores easier to find.
  • The Corruption/Crimson/Hallow is easier to control.
  • The Corruption/Crimson is less likely to spawn near the jungle.
  • It is easier to find the Jungle Temple.
  • Retrieving liquids such as water and lava with buckets or pumps is quicker and easier.
  • Meteors are easier to locate.
  • Biomes are much easier to completely rennovate (Converting Corruption/Crimson to Hallow/Purity, converting Jungle to Mushroom, etc.)

Advantages of Large Worlds[edit | edit source]