About Mass Entity Replacer
From Factorio Mod Portal\ \ Replace or upgrade entities map-wide with a GUI or a shortcut [Ctrl+G] / /
\ \ What is this? / /
A powerful GUI utility to upgrade/replace structures, copy module layouts, and reconfigure settings across your entire factory instantly or using construction robots!
_Because clicking 400 assemblers by hand isn't a hobby, it's a cry for help! :DD_
Princess Luna is also included, because yes. ~!!!
Press Ctrl + G or click the shortcut icon to open the architect control board.
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\ \ Core Features / /
Map-wide or Target Planet Scope Upgrades can be restricted to your current surface, any specific planet (including full support and dynamic HSL colors for custom modded planets), or run map-wide across all surfaces! :O
Quality Upgrade Support Target specific item qualities for entity replacement and module transfers! _
Robot or Instant Mode Order robot construction using dynamic Upgrade Planners, or replace structures instantly in cheat/creative mode! :DD
Smart Module Migration Automatic module filtration based on entity recipe compatibility! Falls back to speed modules if productivity modules aren't supported by the target structure! :C
Advanced Control Flags Configure override flags to dump modules on the floor, clear pending upgrade requests, fill empty slots, or restrict replacements to lower tiers! :O
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\ \ What's New in 1.0.2? / /
Experimental Quality Upgrades Full logic integration to upgrade entity tiers and request specific target qualities!
Universal Surface Scope & Dynamic Modded Planet Coloring Select specific planet surfaces using the dropdown, or upgrade structures globally! Custom modded planets are automatically assigned unique, high-contrast HSL-derived colors to keep the UI legible and uniform!
GUI Rewrite Restructured panels matching the Factorio 2.0 aesthetics with Princess Luna's color themes!
Highlights
From source dataFootprint
Rated a light load on a server.
License
Published under MIT.
Last update
Its author last shipped an update 4 mo ago.
Mass Entity Replacer on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Factorio servers. We download it from Factorio Mod Portal, place it, and restart the server.
- Server side
- Required on the server
- Server load
- light
- Smallest plan we suggest
- Factorio — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.0.8, released 2026-07-17
Run Mass Entity Replacer on a Factorio server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogMaps & scenarios
Custom maps, arenas and scenarios to play on.
Runs on your server
From source side supportFactorio Mod Portal lists Mass Entity Replacer as required on the server. Check its Factorio Mod Portal page to see whether players need it too.
Compatibility
- Game
- Factorio
- Runs on
- Serverrequired on the server
Verified at the source
- ✓Factorio Mod PortalOfficial listing, checked 2026-10-08Open ↗
- ✓Authormelon220, as published on Factorio Mod Portal
- ✓LicenseMITFree

