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Factorio

The Square

An alpha Factorio challenge that expands a tiny buildable square through research.

Price not confirmed

Warnings and review limits

  • Existing-save risk: when a legacy save has storage.bootstrap and its surface name is absent or fes-bootstrap, migration 0.1.3 destroys every non-character entity on Nauvis before copying the managed square area. Buildings and other world entities outside that area may be lost. Back up saves and read the source migration before considering use.
  • The release ZIP was not independently inspected or matched to the reviewed source; security review coverage was partial.
  • The author labels this release alpha. Independent successful-use and runtime verification were not established.

What changes in Factorio?

Begins with a small buildable area and adds one tile per side at each expansion level. Supported Space Age planets have separate squares and progression.

From the creator

mmmatt ↗
Primarily AI-generated using GPT-5.4 with Codex, with human direction, review, and iteration.

Research listing. This is the creator’s official portal disclosure; the source info.json uses different model-version wording. It is author-declared creation evidence.

Community responses

Positive comments and independent successful-use reports have not been confirmed. Read the original discussion for current replies.

Two users reported an oil-progression problem; the author recorded a fix in v0.1.4, but a successful-use confirmation for that fix was not found. No hands-on playtest was performed.

Community discussion ↗

Getting started

Review the official Mod Portal instructions and the migration warning before deciding whether to use this mod. No mod was installed or run for this listing.

Official mod page ↗