Download trueSKY

You can install and use trueSKY in a few different ways, depending on your level of experience. The trueSKY binary plugin is popular with beginners.

Unreal Engine Plugin

Download the latest trueSKY Unreal binary plugin here.

Download latest Unreal plugin

Latest version:

Unity Engine Plugin

Download the latest trueSKY Unity binary plugin here.

Download latest Unity plugin

Latest version:

Other trueSKY versions below

trueSKY Plugin - Add trueSKY to the binary UE distribution

If you do not intend to build Unreal Engine from source, you can add the plugin to an existing UE4 installation. Just download the version you are after below. You need to install this onto the Unreal Engine Directory, for example C:/Program Files(x86)/Epic Games/UE_4.25:

UE Version trueSKY v4.3 trueSKY v4.2a [LEGACY] trueSKY v4.2 [LEGACY] trueSKY v4.1b [LEGACY] trueSKY v4.1a [LEGACY]
5.0 4.3.e15dd5018 [LATEST] No downloads available No downloads available No downloads available No downloads available
4.27 4.3.e15dd5018 [LATEST]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.4a4e3eb3b [Jul 13 2022]
  • 4.3.27b2593d8 [Jul 05 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.6af8697f8 [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
No downloads available No downloads available 4.1b.83b4c5d73 [LATEST]
  • 4.1b.135968054 [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.3482479f2 [Jul 13 2022]
  • 4.1b.df6e89300 [Jul 05 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.024c8d639 [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.63765e754 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
No downloads available
4.26 4.3.7b89c48d3 [LATEST]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.6af8697f8 [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.a82de5c64 [Jul 20 2021]
  • 4.3.fc88dd2c5 [Jun 09 2021]
  • 4.3.be5481665 [May 18 2021]
  • 4.3.142173e9f [Feb 19 2021]
No downloads available No downloads available 4.1b.294afeaeb [LATEST]
  • 4.1b.df6e89300 [Jul 05 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.024c8d639 [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.63765e754 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.fdbfb8ec1 [Jun 09 2021]
  • 4.1b.a84844a61 [May 18 2021]
  • 4.1b.4e9b31a97 [Apr 12 2021]
  • 4.1b.4fbee7f84 [Feb 19 2021]
No downloads available
4.25 4.3.a82de5c64 [LATEST]
  • 4.3.eff72ca4a [Apr 12 2021]
  • 4.3.142173e9f [Feb 19 2021]
  • 4.3.5af195da3 [Jan 15 2021]
  • 4.3.c51d4d460 [Dec 10 2020]
  • 4.3.71c9125bf [Nov 18 2020]
4.2a.815707d8c [LATEST]
  • 4.2a.ef0d743f7 [Jan 15 2021]
  • 4.2a.277c35498 [Dec 10 2020]
  • 4.2a.e34c4c41c [Nov 18 2020]
  • 4.2a.ad98a5953 [Jul 21 2020]
  • 4.2a.8309e0e24 [May 22 2020]
No downloads available 4.1b.d82608a4e [LATEST] 4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
4.24 No downloads available 4.2a.ef0d743f7 [LATEST]
  • 4.2a.277c35498 [Dec 10 2020]
  • 4.2a.ad98a5953 [Jul 21 2020]
  • 4.2a.8309e0e24 [May 22 2020]
  • 4.2a.09a889bc1 [Apr 03 2020]
No downloads available No downloads available 4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
  • 4.1a.40cf9a555 [Apr 03 2020]
4.23 No downloads available 4.2a.ad98a5953 [LATEST]
  • 4.2a.8309e0e24 [May 22 2020]
  • 4.2a.09a889bc1 [Apr 03 2020]
4.2.0cdd14cf8 [LATEST] No downloads available 4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
  • 4.1a.40cf9a555 [Apr 03 2020]
  • 4.1a.f7cb39047 [Jan 24 2020]
4.22 No downloads available No downloads available 4.2.0cdd14cf8 [LATEST] No downloads available 4.1a.f7cb39047 [LATEST]

trueSKY binary files - Building UE from Source

To access our Unreal source repository, you will need to confirm your Github account on your account page here. This should be the same account you linked with your Unreal Engine account. Once you have been confirmed (by email), you will be able to access the source repository here. Then you will need the trueSKY binary dll's and shaders. You can get these by running GetBinaries.bat from Engine/Plugins/TrueSky/Plugin, or from the binary installers below:

UE Version trueSKY v4.3 trueSKY v4.2a [LEGACY] trueSKY v4.2 [LEGACY] trueSKY v4.1b [LEGACY] trueSKY v4.1a [LEGACY]
5.0 4.3.e15dd5018 [LATEST] No downloads available No downloads available No downloads available No downloads available
4.27 4.3.e15dd5018 [LATEST]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.130096948 [Jul 13 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
No downloads available No downloads available 4.1b.83b4c5d73 [LATEST]
  • 4.1b.135968054 [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.63765e754 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
No downloads available
4.26 4.3.7b89c48d3 [LATEST]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.7905f87e6 [Jul 20 2021]
  • 4.3.fc88dd2c5 [Jun 09 2021]
  • 4.3.be5481665 [May 13 2021]
  • 4.3.eff72ca4a [Apr 12 2021]
No downloads available No downloads available 4.1b.9536534d1 [LATEST]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.63765e754 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.fdbfb8ec1 [Jun 09 2021]
  • 4.1b.a84844a61 [May 13 2021]
  • 4.1b.4e9b31a97 [Apr 12 2021]
No downloads available
4.25 4.3.567c68842 [LATEST]
  • 4.3.7905f87e6 [Jul 20 2021]
  • 4.3.eff72ca4a [Apr 12 2021]
  • 4.3.5af195da3 [Jan 15 2021]
  • 4.3.c51d4d460 [Dec 10 2020]
  • 4.3.71c9125bf [Nov 18 2020]
4.2a.ef0d743f7 [LATEST]
  • 4.2a.277c35498 [Dec 10 2020]
  • 4.2a.e34c4c41c [Nov 18 2020]
  • 4.2a.ad98a5953 [Jul 21 2020]
  • 4.2a.8309e0e24 [May 22 2020]
No downloads available 4.1b.96010b8c8 [LATEST]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.4e9b31a97 [Apr 12 2021]
  • 4.1b.4fbee7f84 [Feb 19 2021]
4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
4.24 4.3.5af195da3 [LATEST]
  • 4.3.c51d4d460 [Dec 10 2020]
4.2a.ef0d743f7 [LATEST]
  • 4.2a.277c35498 [Dec 10 2020]
  • 4.2a.ad98a5953 [Jul 21 2020]
  • 4.2a.8309e0e24 [May 22 2020]
  • 4.2a.09a889bc1 [Apr 03 2020]
  • 4.2a.513f2f434 [Jan 22 2020]
4.2.9b65e1a9b [LATEST]
  • 4.2.0cdd14cf8 [Jan 17 2020]
  • 4.2.3036a361a [Jan 17 2020]
  • 4.2.19e3d9f5f [Jan 07 2020]
No downloads available 4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
  • 4.1a.40cf9a555 [Apr 03 2020]
  • 4.1a.178c104b1 [Jan 17 2020]
  • 4.1a.f7cb39047 [Jan 07 2020]
4.23 No downloads available 4.2a.ad98a5953 [LATEST]
  • 4.2a.8309e0e24 [May 22 2020]
  • 4.2a.09a889bc1 [Apr 03 2020]
  • 4.2a.513f2f434 [Jan 22 2020]
4.2.9b65e1a9b [LATEST]
  • 4.2.3036a361a [Jan 17 2020]
  • 4.2.0cdd14cf8 [Jan 17 2020]
  • 4.2.19e3d9f5f [Jan 07 2020]
No downloads available 4.1a.1d6536ddb [LATEST]
  • 4.1a.701c52355 [May 22 2020]
  • 4.1a.40cf9a555 [Apr 03 2020]
  • 4.1a.178c104b1 [Jan 17 2020]
  • 4.1a.f7cb39047 [Jan 17 2020]
4.22 No downloads available No downloads available 4.2.3036a361a [LATEST]
  • 4.2.0cdd14cf8 [Jan 17 2020]
  • 4.2.19e3d9f5f [Jan 07 2020]
No downloads available 4.1a.178c104b1 [LATEST]
  • 4.1a.f7cb39047 [Jan 07 2020]

trueSKY Linux Plugin

Building Unreal from source is required on Linux, but if you do not intend to use the Simul UnrealEngine Repo, then you will need to download the plugin for the required source files. To run .exe files on Linux, please install wine.

UE Version trueSKY v4.3 trueSKY v4.1b [LEGACY]
5.0 4.3.580bb4e42 [LATEST]
  • 4.3.e15dd5018 [Sep 01 2022]
No downloads available
4.27 4.3.580bb4e42 [LATEST]
  • 4.3.e15dd5018 [Sep 01 2022]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.7b89c48d3 [Jul 13 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
4.1b.afeba3923 [LATEST]
  • 4.1b.83b4c5d73 [Sep 01 2022]
  • 4.1b.135968054 [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.d6e8f45fa [Jul 13 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.a91129e5f [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
4.26 4.3.7b89c48d3 [LATEST]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.202399e4b [Aug 03 2021]
4.1b.d6e8f45fa [LATEST]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.a91129e5f [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]

trueSKY binary files for Linux

To access our Unreal source repository, you will need to confirm your Github account on your account page here. This should be the same account you linked with your Unreal Engine account. Once you have been confirmed (by email), you will be able to access the source repository here. Then you will need the trueSKY binary .so's and shaders. You can get these from the binary installers below:. To run .exe files on Linux, please install wine.

UE Version trueSKY v4.3 trueSKY v4.1b [LEGACY]
5.0 4.3.580bb4e42 [LATEST]
  • 4.3.e15dd5018 [Sep 01 2022]
No downloads available
4.27 4.3.580bb4e42 [LATEST]
  • 4.3.e15dd5018 [Sep 01 2022]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.7b89c48d3 [Jul 13 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
4.1b.afeba3923 [LATEST]
  • 4.1b.83b4c5d73 [Sep 01 2022]
  • 4.1b.135968054 [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.d6e8f45fa [Jul 13 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.a91129e5f [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
4.26 4.3.7b89c48d3 [LATEST]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.202399e4b [Aug 03 2021]
4.1b.d6e8f45fa [LATEST]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.a91129e5f [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]

trueSKY Console Plugins for Unreal Engine

To access console files, your company must be a registered developer. First, connect your Simul user account to a Company account: either create or join a Company.

trueSKY for Unity

The trueSKY Unity plugin is available as a unity package. The Unity repository we use to generate these packages is here.

Unity Version trueSKY v4.3 trueSKY v4.2a [LEGACY] trueSKY v4.2 [LEGACY] trueSKY v4.1b [LEGACY] trueSKY v4.1a [LEGACY]
2021 4.3.e15dd5018 [LATEST]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.130096948 [Jul 13 2022]
  • 4.3.0857db303 [Jul 05 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.7905f87e6 [Jul 20 2021]
  • 4.3.97791c9f1 [Jun 09 2021]
  • 4.3.be5481665 [May 13 2021]
  • 4.3.af84cb681 [Apr 23 2021]
No downloads available No downloads available 4.1b.83b4c5d73 [LATEST]
  • 4.1b.62057e95a [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.5566ec324 [Jul 13 2022]
  • 4.1b.294afeaeb [Jul 05 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.03de462f3 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.fdbfb8ec1 [Jun 09 2021]
  • 4.1b.a84844a61 [May 13 2021]
No downloads available
2020 4.3.e15dd5018 [LATEST]
  • 4.3.bfeda47f3 [Aug 19 2022]
  • 4.3.f92dc8fc1 [Aug 16 2022]
  • 4.3.130096948 [Jul 13 2022]
  • 4.3.0857db303 [Jul 05 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.806525eca [Apr 01 2022]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.7905f87e6 [Jul 20 2021]
  • 4.3.97791c9f1 [Jun 09 2021]
  • 4.3.be5481665 [May 13 2021]
  • 4.3.031b8b187 [Jan 15 2021]
  • 4.3.c51d4d460 [Dec 10 2020]
4.2a.277c35498 [LATEST] No downloads available 4.1b.83b4c5d73 [LATEST]
  • 4.1b.62057e95a [Aug 19 2022]
  • 4.1b.75f2893fc [Aug 16 2022]
  • 4.1b.5566ec324 [Jul 13 2022]
  • 4.1b.294afeaeb [Jul 05 2022]
  • 4.1b.9536534d1 [May 23 2022]
  • 4.1b.ec776bbad [Apr 01 2022]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.03de462f3 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.fdbfb8ec1 [Jun 09 2021]
  • 4.1b.a84844a61 [May 13 2021]
No downloads available
2019 4.3.806525eca [LATEST]
  • 4.3.535f72084 [Feb 11 2022]
  • 4.3.5aac6daae [Nov 15 2021]
  • 4.3.567c68842 [Sep 10 2021]
  • 4.3.7905f87e6 [Jul 20 2021]
  • 4.3.97791c9f1 [Jun 09 2021]
  • 4.3.be5481665 [May 13 2021]
  • 4.3.031b8b187 [Jan 15 2021]
  • 4.3.c51d4d460 [Dec 10 2020]
4.2a.277c35498 [LATEST]
  • 4.2a.ad98a5953 [Jul 21 2020]
  • 4.2a.7b8229241 [May 22 2020]
  • 4.2a.09a889bc1 [Apr 03 2020]
  • 4.2a.b5325f0aa [Jan 24 2020]
  • 4.2a.513f2f434 [Jan 22 2020]
4.2.9b65e1a9b [LATEST] 4.1b.ec776bbad [LATEST]
  • 4.1b.49fe62bfc [Feb 11 2022]
  • 4.1b.03de462f3 [Nov 15 2021]
  • 4.1b.96010b8c8 [Sep 10 2021]
  • 4.1b.d82608a4e [Jul 20 2021]
  • 4.1b.fdbfb8ec1 [Jun 09 2021]
  • 4.1b.a84844a61 [May 13 2021]
4.1a.1d6536ddb [LATEST]
  • 4.1a.40cf9a555 [Apr 03 2020]
  • 4.1a.178c104b1 [Jan 24 2020]
2018 No downloads available 4.2a.7b8229241 [LATEST]
  • 4.2a.09a889bc1 [Apr 03 2020]
  • 4.2a.b5325f0aa [Jan 24 2020]
  • 4.2a.513f2f434 [Jan 22 2020]
4.2.9b65e1a9b [LATEST] No downloads available 4.1a.40cf9a555 [LATEST]
  • 4.1a.178c104b1 [Jan 24 2020]
2017 No downloads available 4.2a.7b8229241 [LATEST]
  • 4.2a.09a889bc1 [Apr 03 2020]
  • 4.2a.b5325f0aa [Jan 24 2020]
  • 4.2a.513f2f434 [Jan 22 2020]
4.2.9b65e1a9b [LATEST] No downloads available 4.1a.40cf9a555 [LATEST]
  • 4.1a.178c104b1 [Jan 24 2020]

To access console files, your company must be a registered developer. First, connect your Simul user account to a Company account: either create or join a Company.

trueSKY Standalone SDK

The main SDK download for Windows. The samples in the Simul/Samples directory contain example code for D3D12, D3D11, Vulkan, and OpenGL.

SDK Version trueSKY v4.3 trueSKY v4.2a [LEGACY] trueSKY v4.2 [LEGACY] trueSKY v4.1b [LEGACY] trueSKY v4.1a [LEGACY]
v143 4.3.e15dd5018 [LATEST]
  • 4.3.a49886f04 [Aug 16 2022]
  • 4.3.130096948 [Jul 13 2022]
  • 4.3.0857db303 [Jul 05 2022]
  • 4.3.7998d1180 [May 23 2022]
  • 4.3.352287fe0 [Apr 22 2022]
No downloads available No downloads available No downloads available No downloads available
v142 4.3.5aac6daae [LATEST]
4.2a.815707d8c [LATEST] 4.2.2b93b0bc6 [LATEST] 4.1b.83b4c5d73 [LATEST] No downloads available
v140 No downloads available No downloads available No downloads available No downloads available 4.1a.1d6536ddb [LATEST]

Sky Sequencer

The sky sequencer is a tool for artists, level designers, and programmers. Use the sequencer to design and test settings, and to create time-sequences of weather states that can be loaded from within your final program.

  trueSKY v4.3 trueSKY v4.2a [LEGACY] trueSKY v4.2 [LEGACY] trueSKY v4.1b [LEGACY] trueSKY v4.1a [LEGACY]
4.3.e15dd5018 [LATEST]
4.2a.815707d8c [LATEST] 4.2.b3fa913fe [LATEST] 4.1b.83b4c5d73 [LATEST] 4.1a.1d6536ddb [LATEST]