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1

redistributes reverse-engineered vanilla terrain data in violation of the DayZ EULA

webdevMap / TerrainModdedWorkshop / Mods
1

State

Open
Issue key
DZG-1041
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
unpleme
Created
Oct 4, 2026
Views
10
Platform
PC Steam
What happened?

https://steamcommunity.com/sharedfiles/filedetails/?id=3810441343

This mod violates the Bohemia Interactive license agreement on the following points:

1.Reverse engineering of game data. The original Chernarus and Livonia terrains are shipped only in binarized form and cannot be opened in the official Terrain Builder, yet the terrain heightmaps, object placement and road networks of both maps were extracted from the original WRP files using third-party tools. The DayZ EULA, section "You May Not", states: "You are not allowed to hack, modify or reverse engineer the game or any game files, its data or network services."

2. Redistribution of original game data. The extracted data was published on the Workshop: the file tc_surface.wrp contains the original terrain of both maps placed one above the other (15.36 km + 12.8 km + a 2 km connection = 30.16 km) and over 6 million object positions taken from the vanilla maps. The DayZ EULA, section "You May Not", states: "You must not redistribute, publish, license, rent or resell the game, any of its parts."

3. Resampling the heightmap and rebuilding the WRP does not make this data your own. A Bohemia developer stated on the official forum that unpacked game data may be used only for creating content, and that redistributing it, modified or not, is not allowed.

Reproduction steps

DayZ EULA, section "You May Not" (both points, reverse engineering and redistribution):
https://www.bohemia.net/community/licenses/dayz-end-user-license

The same EULA on Steam:
https://store.steampowered.com/eula/221100_eula_0

DayZ Tools EULA, section "You May Not":
https://community.bistudio.com/wiki/DayZ:End_User_License_Agreement_for_DayZ_Tools

Game Content Usage Rules (ban on reverse engineering games to access content):
https://www.bohemia.net/community/game-content-usage-rules

Exact build version (optional)
—
Where did it happen?
Community
Is it modded?
Yes
Expected result
—
Section
Mod list

https://steamcommunity.com/sharedfiles/filedetails/?id=3810441343

Load order / launch params
—
Reactions

Activity

    about 1 hour ago
  • unpleme
    created issueabout 1 hour ago

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State

Open
Issue key
DZG-1041
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
unpleme
Created
Oct 4, 2026
Views
10