How long is Plan B: Terraform?

Plan B: Terraform takes about 12h 16m to beat the main story, or around 17h 25m with extras.

How long does it take to 100% Plan B: Terraform?

A completionist run of Plan B: Terraform takes about 20h 1m.

Very Positive91% · 3,320

Plan B: Terraform

Simulator Indie Strategy

Developer: Gaddy Games|Publisher: Gaddy Games

Playtime

Updated community averages based on player submissions.

Main Story

12h 16m

Main + Extra

17h 25m

Completionist

20h 1m

Media

2 videos + 7 screenshots

Links

Steam Official Wiki Discord X / Twitter Facebook Bluesky

About This Game

Terraform a lifeless rock into a lush and habitable world. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.

Add Plan B: Terraform to your backlog

Import your Steam library in one click, then track what you finish and plan what to play next — free forever.

Import Steam library Track this game — free

Last updated Mar 2, 2026