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Sigma World: Foundation

In Testing

The current Sigma World project and successor to Sigma World Online. The official Russian site provides a downloadable Foundation build and links to the legacy project; the premium-account system is still marked as under development.

TerraformingBuildingCraftingPlayer EconomyPersistent World

Game information

StatusIn Testing
SettingSci-Fi
PlatformPC / TBD
Business modelPremium-account plan is shown as in development; current pricing is not published
DeveloperSigma World development team
Release / testingDownloadable development build available from the official site
PvPPvP rules are not clearly documented on the current public site
PerspectivePerspective is not clearly documented on the current public site
World typePersistent online world
Last checkedVerified core status August 17, 2026

What makes it different

The official Russian site provides a downloadable Foundation build and links to the legacy project; the premium-account system is still marked as under development.

Sandbox systems

TerraformingPlayers can reshape or prepare terrain as part of construction or world development.
BuildingPlayers can construct structures that exist as part of the game world or persistent property.
CraftingPlayers turn gathered or processed resources into useful equipment, goods or construction materials.
Player EconomyPlayer gathering, production and trade help determine how goods circulate through the economy.
Persistent WorldThe multiplayer world and player progress continue to exist between play sessions.