Plan B: Terraform - PC (Steam)

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About

Transform a Barren World into a Thriving PlanetPlan B: Terraform is a calm and contemplative sci-fi simulation game set in a near future where humanity must look beyond Earth for survival. Your mission: shape a newly discovered planet into a habitable world. Explore a vast, hex-based terrain with over a million tiles and harness a full ecosystem simulation. Shape Climate, Water, and LifeRaise global temperatures with greenhouse gas generators, unlock underground ice to form flowing rivers and ...

Country Compatibility:	See the list
Installation:	How to activate your game
Developer:	Gaddy Games,
Publisher:	Gaddy Games,
Release date:	29 August 2025
Genre:	Indies, Simulation, Strategy,
Recent Steam reviews:	Very positive (70)
All Steam reviews:	Very positive (1655)

User tags*: automation resource management transportation simulation sandbox colony sim base building trains colorful management hex grid minimalist mars crafting strategy building indie procedural generation sci-fi cute ...

Visuals

Game features

Steam Deck Verified

Single-player

Steam Achievements

Steam Trading Cards

Steam Cloud

Family Sharing

Description

Transform a Barren World into a Thriving Planet

Plan B: Terraform is a calm and contemplative sci-fi simulation game set in a near future where humanity must look beyond Earth for survival. Your mission: shape a newly discovered planet into a habitable world. Explore a vast, hex-based terrain with over a million tiles and harness a full ecosystem simulation.

Shape Climate, Water, and Life

Raise global temperatures with greenhouse gas generators, unlock underground ice to form flowing rivers and vast oceans, and restore vegetation across the land. Experience dynamic weather systems, including evaporation, wind patterns, and rainfall. Turn a lifeless rock into a living world covered in forests, rivers, and oceans.

Build Supply Chains and Grow Cities

Extract minerals, manufacture goods, and move them with trucks, trains, drones, and ships. Establish automated supply lines to support expanding cities, transforming small outposts into thriving metropolises with populations in the millions. Every stage of growth depends on your ability to manage logistics, optimize infrastructure, and keep automation running smoothly.