Cities: Skylines - Snowfall

I had my city humming smoothly, traffic flow optimised, budget in the black, and then Snowfall handed me a temperature gauge and told me to start over on one of three dedicated winter maps. That is the honest first warning: the snow mechanics are locked to those maps, so your existing metropolis does not suddenly get blizzards. If you boot up Snowfall expecting weather to roll into your existing save, you will spend four confused hours waiting for nothing. Once you accept the fresh-start requirement and drop onto one of those perma-winter maps, the expansion adds a credible second layer of infrastructure pressure on top of the base game's already deep systems. Snow accumulation is not decoration. It slows traffic to a crawl, and you need to build a Snow Dump and dispatch plows on patrol routes before your road network seizes up. The heating system works like a parallel version of the water pipe network: you upgrade pipes to carry hot water and connect them to a Boiler Station or, later, the cleaner Geothermal Heating Plant. Early on, residents pull heat from the electricity grid, which means your coal plants are running red and your budget takes a hit until the district heating rollout is complete. Watching that electricity demand finally drop as the hot-water grid reaches each district is one of those quietly satisfying resource management moments the base game does so well. Trams are the DLC's most durable addition, and arguably the reason to buy it regardless of whether winter maps interest you. They run on any map, carry roughly three times the passengers of a bus, and slot neatly into dense urban corridors where subways are overkill and buses clog intersections. Route setup follows the same drag-and-stop logic as buses, so the learning curve is minimal. The community has long settled on trams as the practical sweet spot between surface transit and heavy rail, which is why the Steam Workshop has an enormous library of tram assets built around this DLC's framework. The criticism that sticks is scope. The winter-specific policies, including stud mandates for vehicles and building insulation rules, only apply on those three maps. They do not bleed into your non-winter cities at all. The heating mechanic, while conceptually sound, is not dramatically different from pipe management you already know, and the seasonal dynamic is static rather than cyclical: these are permanently frozen maps, not cities that shift through seasons. Players who came in expecting genuine season cycles left disappointed, and that disappointment is fair. Three maps is also a thin offering for a paid expansion, even accounting for the Snow Dump, the winter parks, the ice hockey rink, and the aurora borealis visuals that make night-time city shots genuinely striking. For a sim player focused on late-game transit optimisation, Snowfall is a quiet must-have for trams alone and a moderate upgrade for anyone who wants a fresh infrastructure challenge. If you have already exhausted base-game growth loops and want new systems to stress-test, the heating and road-maintenance stack gives you enough new variables to keep a fresh city interesting through the early and mid game. Just do not expect the winter content to transform your existing saves, and do not expect seasons.

Diego · Scout Team

Strategy & simulation

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