Here are the best 20 mods of December, 2025 for Cities: Skylines (CS2)! This list is based off of the Steam Workshop.
1. Aloft Hotel（TOKYO）
Author - kkgbn
Views - 10261
Downloads - 7577
This mod is a replica of the Aloft Hotel in Tokyo’s Ginza district. Your support can motivate the creator to craft more high-quality assets like this one. To show your appreciation, you can donate to the creator via the provided link. Give it a try and help support the development of more amazing assets for Cities: Skylines!
2. 読売テレビ
Author - 听风说雨
Views - 4852
Downloads - 3799
Experience the modern and aesthetically pleasing Yomiuri Television headquarters in Osaka Business Park in Cities: Skylines. This iconic building, featuring advanced broadcast technology and stunning architecture, serves as a vital information hub in the Kansai region. With top-tier earthquake-resistant and redundant energy systems, this asset ensures stable information transmission even during emergencies. Don’t miss out on adding this beautiful and functional modern landmark to your city!
3. 中之島フェスティバルタワー・ウェスト
Author - 听风说雨
Views - 7601
Downloads - 5919
Experience the stunning West Tower of the Festival Building in Nakanoshima, Osaka, a supertall landmark that combines office, cultural, and commercial spaces. This mod offers a high level of detail and accuracy to the original structure, enhancing your city’s skyline. Show your support by giving it a try and enjoy building your city with this impressive addition!
4. Modular Tram Depot
Author - kalle___
Views - 5491
Downloads - 1863
This mod allows you to place a customizable tram depot in your city. Simply place the buildings where you want, connect your tram road, and watch trams spawn automatically. Remember to ensure the buildings have access to water and electricity. Give your city a realistic touch with this modular tram depot!
5. REM Sunken Station
Author - general socks chicken
Views - 4523
Downloads - 2034
Explore the beautifully detailed REM Sunken Station mod for Cities: Skylines, inspired by real-life stations in Montreal. This sunken station asset offers a modern design with universally accessible platforms and elevators, perfect for enhancing your city’s transportation network. Dive into the heart of Mont Royal and upgrade your commuter rail stop with this realistic and immersive addition to your city.
6. 129 5Th Ave
Author - Modocero
Views - 3359
Downloads - 2292
This mod adds a detailed building inspired by the architecture of New York City, USA. With high-quality textures and low poly count for better performance, this asset is a great addition to your city. Give your city a touch of the Big Apple with this mod - why not try it out and see the difference it makes in your skyline?
7. Mid-1880s Victorian House
Author - dudemeister
Views - 3302
Downloads - 1670
Get into the festive spirit with a charming Victorian house from the late 1800s, perfect for your Cities: Skylines collection. Inspired by the Pacific Northwest architecture, this moldy yet beautiful mansion with a wraparound porch and unique windows is a great addition. Embrace the historic vibes and add a touch of elegance to your city!
8. 东京新国立剧场, The New National Theatre Tokyo
Author - RAY
Views - 10139
Downloads - 7550
Experience the vibrant performing arts scene of Tokyo with this mod that adds The New National Theatre Tokyo to your Cities: Skylines game. This theater is a hub for opera, ballet, contemporary dance, and drama, offering a diverse range of performances. Bring the cultural essence of Japan to your city and immerse yourself in over 650 productions staged since 1997. Join over 200,000 theatergoers and enjoy around 300 performances per season in this iconic venue.
9. KADOKAWA富士見ビル
Author - 听风说雨
Views - 3084
Downloads - 2496
Check out this modern office building mod inspired by the KADOKAWA Fujimi Building in Tokyo. It’s a 4x4 structure with detailed textures and around 8500 triangles. The creator has simplified it for a better skyline fit. Give it a try and add this sleek building to your city!
10. Australia Wall to Wall Pack
Author - NameInvalid
Views - 4158
Downloads - 1786
This mod adds 7 unique Australian-style buildings to your Cities: Skylines game. Each building is detailed and based on real locations in Australia, giving your city an authentic feel. With a low polygon count and high-resolution textures, these buildings will blend seamlessly into your cityscape. Try out this mod to add a touch of Australia to your city!
11. Shibuya Scramble Square
Author - kkgbn
Views - 7119
Downloads - 5678
Explore the Shibuya Scramble Square mod, a stunning addition to your Cities: Skylines game inspired by Tokyo’s bustling Shibuya district. This high-rise landmark seamlessly integrates office spaces, commercial areas, and observation decks, offering a glimpse of a modern urban skyline. Show your support to the creator by donating on their PayPal link, as every contribution motivates them to craft more high-quality assets for players to enjoy. Give it a try and enhance your city with this impressive structure!
12. Eusebiuskerk
Author - Olinater
Views - 3517
Downloads - 2209
Explore the largest church in Arnhem, the Sint-Eusebiuskerk, through this mod for Cities: Skylines. This gothic church has a rich history dating back to the 9th century, with construction starting in 1452. Experience the various modifications made to the church over the centuries, reflecting different historical periods, including its transition to a Protestant church in 1578. Immerse yourself in the architectural beauty and historical significance of this iconic landmark in your city.
13. 1910’s Vintage Tram
Author - kalle___
Views - 2795
Downloads - 1720
Experience a piece of history with this 1910’s Vintage Tram mod for Cities: Skylines. Transport your citizens in style with a beautifully crafted teak tram that ran in Stockholm in the early 20th century. This mod offers a unique and nostalgic touch to your city’s public transportation system, allowing you to showcase crucial stages of development in urban mobility. Give your city a vintage charm and enhance your gameplay with this historically significant asset.
14. 133 5Th Ave
Author - Modocero
Views - 1938
Downloads - 1834
This mod adds a detailed and realistic building inspired by the architecture of New York City, USA. With high-quality textures and low polygon count for optimal performance, this asset will enhance the look of your city skyline. Give your city a touch of the Big Apple with this mod!
15. Daiwa Roynet Hotel (OSAKA)
Author - kkgbn
Views - 4844
Downloads - 4479
This mod adds a high-end business hotel, Daiwa Roynet Hotel, located in the heart of Osaka city center, right next to the Sakaisuji-Honmachi subway station. It provides excellent transportation access and is a great addition to your Cities: Skylines game. Support the creator by donating on PayPal to encourage them to make more high-quality assets for free.
16. Innopolis University (Innopolis, Russia)
Author - Psevdoulen_x64
Views - 6958
Downloads - 4064
Explore a unique architectural landmark inspired by modern bionic design, the Innopolis University in Russia. This building stands out with its intricate geometry, expansive glass windows, and striking wooden textures. Experience the fusion of innovation and technology in this futuristic structure, perfect for adding a touch of modern flair to your city in Cities: Skylines.
17. 中之島フェスティバルタワー
Author - 听风说雨
Views - 5478
Downloads - 4615
Experience the iconic Nakanoshima Festival Tower in Osaka, a stunning high-rise building that combines office, cultural, and commercial spaces. With its unique design blending classic red brick elements with modern glass walls, this landmark tower stands 200 meters tall with 39 floors. The mod offers a faithful recreation of the building, honoring its historical significance while adding a touch of elegance to your city’s skyline. Give it a try and add a touch of Japanese architectural beauty to your city!
18. Neusser St 112
Author - Modocero
Views - 2476
Downloads - 1393
This mod adds a realistic building to your Cities: Skylines game, based on a real location. The high-quality textures and detailed design make it a visually appealing addition to your city. Explore the building’s unique architecture and incorporate it into your urban landscape for a more authentic and immersive gameplay experience.
19. Stockholm Daneliuska huset
Author - kalle___
Views - 3358
Downloads - 2611
Explore a detailed model of the iconic Stockholm landmark, Daneliuska huset, inspired by French renaissance castles and known as the “flatiron building” in Sweden due to its unique shape. Located at Birger Jarlsgatan 20, this extravagant building is a must-have for your Cities: Skylines collection. Experience the architectural beauty and historical charm of this structure in your city today!
20. Sanco Inn (NAGOYA)
Author - kkgbn
Views - 2496
Downloads - 2414
This mod adds a modern Japanese-style business hotel called Sanco Inn (NAGOYA) near Nagoya Station, specifically at the Taiko-dori exit (Shinkansen exit). The hotel is part of the Sanco Inn chain and offers convenient access to transportation, making it a great choice for your city. The attention to detail in replicating a real-world establishment can enhance the realism of your city, so why not give this mod a try and experience a touch of modern Japanese hospitality in your game world?
NOTE - Mod descriptions in this topic were generated by ChatGPT. I do try to go through each one and improve/rewrite them when I can.