Paradox Interactive and Colossal Order launched Cities: Skylines II - Beach Properties, the first post-launch asset pack for text-decoration: underlineCities: Skylines II. Bringing new buildings, a new zoning option, and more to the sequel to Paradox's best-selling city-builder game, Beach Properties is available now from digital retailers for a suggested retail price of $9.99/£8.49/EUR 9.99, or as part of a bundle in the Cities: Skylines IIWaterfronts Expansion Pass or Ultimate Edition. The game has also been updated with the first in-game modding options, allowing players to create, share, and play with Map and Code Modding through the free Paradox Modding platform.

Beach Properties allows players to beauty and build a better beachfront, including a new Waterfront zoning option dedicated to waterfront buildings, new growable and signature buildings for both European and North American themes, and new trees to inspire creative coastlines. The Asset Pack is available, alongside an extensive update to Cities: Skylines II that includes beta implementation of the editor, performance improvements, fixes, and community requests. Also marks the launch of the Cities: Skylines II Modding Beta, with immediate access to Map and Code mods.

Using the Paradox Mods platform, also integrated into the Cities: Skylines II experience, creations can be played locally and shared globally. The platform also allows players to discover and curate other available mods, organize their preferred mods into one-click Playsets, and more. As of March 25, 2024, mod creators have already created new versions of some of the most popular Cities: Skylines mods for all players to download and try immediately.

Asset modding and improvements to the toolset will be made available later 2024.