Project Rebearth
From Project Rebearth
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Project Rebearth is a massively multiplayer online city-building strategy game developed and published by Program Sam. Set 1,000 years after an unknown catastrophe wiped out civilization, players rebuild society on a shared 1:1 replica of planet Earth. The game operates in real time, with one in-game day lasting one real-world day, making it an experience played over days and weeks rather than finished in a single session.
Project Rebearth was released on January 30, 2026 for Windows, macOS, and Linux via Steam.
Setting
A thousand years into the future, an unknown event has wiped out all traces of civilization. Nothing on the surface remained. Centuries have passed, and people are now emerging to the surface once more. Players enter this world to rebuild, founding settlements on the ruins of the old world, trading with other survivors, and uncovering the lost history of a suspiciously empty planet.
The game world is a full 1:1 replica of Earth, divided into Biomes based on real-world climate data from the WWF terrestrial ecoregions. Players can choose any location on the globe to start their settlement.
Gameplay
Core gameplay revolves around managing Resources, growing Population, constructing Buildings, and navigating the challenges of the environment. As a settlement grows from a small Center into a thriving town, new features and mechanics unlock progressively. No single settlement can be fully self-sufficient. Players must trade with others, launch Expeditions to recover lost technology, and make strategic Choices that shape the future of their town.
Biomes
The world is divided into four Biomes based on real-world climate data: Wood, Stone, Earth, and Arctic. Each biome determines which resources are locally abundant, what materials buildings cost, and how efficiently production operates. The Wood biome favors 
Wood production, Stone excels at 
Stone and 
Ore extraction, Earth leads in 
Earth output and 
Glass production chains, and the Arctic offers no raw resource extraction, serving as a challenge mode with doubled housing costs.
Buildings
Over 70 building types span 10 categories: Housing, Food, Resources, Refined & Manufactured, Town, Storage, Research, Infrastructure, Defense, and Decorative. Buildings range from simple Shacks and Fields to advanced structures like the University, Port, and Iron Mine. Many buildings have biome-specific construction costs and production rates.
Resources and Production Chains
The game features 17 resource types: Wood, Stone, Earth, 
Food, 
Grain, 
Flour, 
Milk, 
Wool, 
Drinks, 
Clothes, 
Scrap, 
Tools, Glass, Ore, 
Metal, 
Coin, and 
Knowledge. Resources are produced, consumed, stored, and traded across interconnected Production Chains. For example, Grain from Fields is milled into Flour at a Windmill, then baked into Food at a Bakery.
Trade
No biome produces every resource efficiently, making trade essential. The Market provides Coin-based trading with a capacity of 1,000, while the Port expands trade capacity to 5,000. Trade costs are influenced by Choices such as Export Focus, Neutral Focus, and Import Focus.
Choices and Policies
Players can enact Choices that modify their settlement's behaviour. These range from labour policies like Worker Safety and Dubious Working Rules, to dietary rules like Vegan Society, to trade strategies and ration levels. Most choices have lock periods preventing frequent switching, and some are permanent once enacted. Players who form Alliances choose from 3 alliance types: Trade Alliance, Great Federation, or Science League, each granting different bonuses to all members.
Events
Events are triggered by game conditions. A food shortage occurs when Food runs out. Low happiness causes Strikes, while high happiness triggers Celebrations and Productivity Booms. Full storage attracts Raids, and workplace Accidents can occur randomly.
Expeditions
Expeditions are area-based exploration missions that cost Food, Knowledge, and population. They yield Scrap and basic resources ( Wood, Stone, Earth, or Glass). Expedition duration and cost scale with the area explored, with a bonus for distance from the settlement's center.
System Requirements
| Minimum (Windows) | Minimum (macOS) | Minimum (Linux) | |
|---|---|---|---|
| OS | Windows 10/11 64-bit | macOS | Linux |
| CPU | Quad Core >2 GHz | Intel Core i3 | Quad Core >2 GHz |
| RAM | 8 GB | 8 GB | 8 GB |
| GPU | DirectX 11, 1 GB VRAM | — | DirectX 11, 1 GB VRAM |
| Storage | 2 GB | 2 GB | 2 GB |
| Network | Broadband | Broadband | Broadband |