Seed Code: Difference between revisions

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The seed code is the definition of the world you will play in.  It includes things that drive random world generation as well as baked in settings that will be used when playing.  The code is made up of 60-bits of information, but is shared using a 12-character [[Base32]] code.  Some values affect world generation and others do not.  Currently there are 44-bits of entropy in a seed code. That means that it is currently possible to generate 17,592,186,044,416 (roughly 17.5 trillion) worlds.
The seed code is the definition of the world you will play in.  It includes things that drive random world generation as well as baked in settings that will be used when playing.  The code is made up of 60-bits of information, but is shared using a 12-character [[Base32]] code.  Some values affect world generation and others do not.  Currently there are 44-bits of entropy in a seed code. That means that it is currently possible to generate 17,592,186,044,416 (roughly 17.5 trillion) worlds.


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Revision as of 00:56, 19 November 2025

The seed code is the definition of the world you will play in. It includes things that drive random world generation as well as baked in settings that will be used when playing. The code is made up of 60-bits of information, but is shared using a 12-character Base32 code. Some values affect world generation and others do not. Currently there are 44-bits of entropy in a seed code. That means that it is currently possible to generate 17,592,186,044,416 (roughly 17.5 trillion) worlds.

Map of where the code bits go.
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19
V V V S S S S S S S S S S S S S S S S S
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
S S S S S S S S S S S S S S S T SH SA BC BC
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
BC BC BS BS CO CO EQ EQ ED ED M M - - - D D D D D
Legend
Key Description Start Length Entropy
V Code Version 0 3 0
S World Generation RNG Seed Value 3 32 32
T Tutorial Skip 35 1 1
SH Save Room Health Restore 36 1 0
SA Save Room Ammo Restore 37 1 0
BC Biome Count 38 4 4
BS Biome Size 42 2 2
CO Biome Cohesion 44 2 2
EQ Enemy Quantity 46 2 2
ED Enemy Difficulty 48 2 0
M Map Room Type 50 2 1
D DLCs 55 5 0