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All Will Fall: Everything You Need to Know Before April 3

All Parts Connected and tinyBuild bring a physics-based twist to city building. Every structure can collapse in this post-apocalyptic ocean survival game launching April 3 on Steam.

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Sara Nguyen

March 5, 2026 · 3 min read

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ABOUT SARA NGUYEN

Mom of two, gamer for life. I find the best games you can actually finish between school runs and bedtime stories.

What happens when you combine city building with physics simulation and make every structure capable of collapse? All Will Fall answers that question on April 3 when it launches on Steam.

Developed by All Parts Connected and published by tinyBuild, this post-apocalyptic survival city builder drops you into a flooded world where building upward is the only option. And everything you build can come crashing down if you get the engineering wrong.

What Is All Will Fall?

All Will Fall cover

All Will Fall

All Parts Connected · tiny Build

PC (Microsoft Windows) · Indie, Simulator, Strategy

Mar 31, 2026

A post-apocalyptic city builder where every structure can collapse. Master a unique physics-based 3D construction system, create a sprawling vertic…

All Will Fall is a physics-based city builder set on the ocean. The land is gone. Survivors cling to floating platforms and rickety towers that sway with the waves. Your job: build a vertical colony that houses your people, produces resources, and stays standing.

The hook is the physics system. Unlike traditional city builders where structures are permanent once placed, every building in All Will Fall has weight, balance, and structural integrity. Stack too much on one side and the whole thing tips. Build too high without proper support and it crumbles. The ocean is unforgiving.

Core Mechanics

Vertical Construction: With no land available, you build upward. Platforms connect to platforms, towers rise from the waves, and your colony becomes a precarious stack of survivor ingenuity. Every placement matters.

Physics Simulation: The game simulates weight distribution, structural stress, and environmental forces. Strong winds, waves, and even the movement of your colonists affect stability. Build smart or watch it fall.

Resource Scavenging: The ocean holds resources from the old world. Send expeditions to scavenge materials, discover useful items, and bring back what your colony needs to grow.

Survival Management: Beyond construction, you manage a society of desperate survivors. They have needs, conflicts, and opinions about how the colony should run. Difficult decisions come with the territory.

The Demo

A demo is available now on Steam. It offers a taste of the construction system and physics mechanics. If you want to understand whether the core loop works for you before launch, the demo is worth your time.

Who Should Pay Attention

All Will Fall targets a specific audience: city builder fans who want more mechanical depth, physics puzzle enthusiasts who enjoy construction challenges, and survival game players who appreciate resource pressure. If you liked Frostpunk's tension but wished for more structural engineering, this might scratch that itch.

The physics focus means this is not a relaxing sandbox. Every structure requires thought. Expansion creates risk. The game wants you to feel the weight of each decision, literally.

Release Details

All Will Fall launches on Steam on April 3, 2026. PC only at launch. Pricing has not been announced yet, but tinyBuild typically prices indie titles in the $20-30 range.

If you are interested, wishlist it now and try the demo. The physics-based construction is either going to click for you immediately or feel frustrating. Better to know before you buy.