A vertical city builder about keeping ninety thousand people warm on nine stacked terraces. The most legible simulation we have played in years, and the most demanding.
The premise is a single stacked structure: nine terraces cut into a mountainside, ninety thousand residents, one winter that never quite ends. You do not spread outward in Terrace Nine, you build upward and inward, and that one constraint changes everything about how the genre usually feels. There is no frontier to expand into when a plan fails. There is only the block you already built, and the decision to tear it out.
What makes it work is legibility. Every system in Terrace Nine shows its arithmetic. Click a housing block and you can trace where its heat comes from, which shift its residents work, and what breaks if the line from the geothermal plant goes down for a day. Nothing is hidden behind a hidden modifier or a mood you cannot inspect. That sounds like a small thing until you have spent an evening in a rival simulation guessing why your citizens are unhappy.
The campaign is the best onboarding the genre has produced since the last decade's benchmarks, largely because it teaches through consequence. Each of its nine chapters hands you a working city with one deliberate flaw and lets the flaw play out. You learn what a heat deficit actually looks like at street level before you are ever asked to design around one. By the fifth chapter the tutorial scaffolding is gone and you do not notice it leaving.
It is not flawless. The last two terraces introduce a labour-rotation layer that asks for more clicking than thinking, and there is no clean way to hold two plans side by side and compare them, which is exactly what you want when a city gets large. Neither is fatal. Both are the kind of thing a patch cycle fixes, and Ninefold Works has been unusually responsive since launch.
Ninety-four hours in, the thing that still surprises us is how little Terrace Nine repeats itself. The systems interlock tightly enough that a heating decision on terrace three quietly reshapes the labour market on terrace seven, so no two cities settle the same way. It is a builder you can still be learning from in month three.
Reviewed on PC, PS5, Switch. Play time is logged by the reviewer and published with every score — see how we score for the full rubric.
