"The Sunset Update is Live!". Steam Community. Paradox Interactive. May 16, 2023. Archived from the original on February 13, 2024. Retrieved May 16, 2023.
"Update 16 released - multiplayer!". Steam Community. Introversion Software. September 4, 2018. Archived from the original on November 9, 2020. Retrieved September 28, 2015.
"The Sunset Update is Live!". Steam Community. Paradox Interactive. May 16, 2023. Archived from the original on February 13, 2024. Retrieved May 16, 2023.
"Update 16 released - multiplayer!". Steam Community. Introversion Software. September 4, 2018. Archived from the original on November 9, 2020. Retrieved September 28, 2015.