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Questions tagged [factorio]

A real time strategy game first seen in 2012 that revolves around factory building. The game is currently available on Windows, Linux, macOS and Nintendo Switch. Use this tag for any version of the game.

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What happens if a spidertron remote gets destroyed?

I was thinking of building an army of spidertrons, with most of them following a 'leader' around so I can control the entire group's movement with one remote. I was thinking of just using the remotes ...
user avatar
8 votes
1 answer
541 views

How can you defend your base during speedruns?

I can't get the 8 hour achievement on default settings no matter how hard I try. The problem is that biters keep leveling my base before I can get beyond blue science, and often times I don't even get ...
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2 votes
1 answer
196 views

When does it become better to have miners output directly into wagons rather than loading the wagons from chests using inserters?

Thinking about my prior question about train speed, I realized that how fast trains can be loaded and unloaded would also matter. The wiki clearly states when a single miner can fill a belt, but it ...
user avatar
3 votes
1 answer
210 views

Do trains with more wagons produce better throughput than faster trains with fewer wagons?

I hate how this game doesn't give you nearly all the numbers you need. It gives no hint as to how fast trains are, or how much weight affects them. I want to know, does having more cargo space cause ...
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1 vote
1 answer
855 views

How do I enable personal roboport?

I know you have to have a personal roboport to enable it. I do, it's in my modular armor. It's with batteries and solarpanels (and it's daytime). And I have construction robots. But I can't click the &...
Coomie's user avatar
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19 votes
10 answers
8k views

Is there really a benefit to using modules in Factorio?

I've been playing Factorio quite a while now, but I've never really gotten into modules much. They don't seem to really add anything, when you look rationally at the math. For example. Lets say I am ...
TLP's user avatar
  • 451
6 votes
1 answer
348 views

Efficient on-ramp for 2 rail lanes

In my current factory I use a very clean train setup: there is one very long main 2+2 line consisting of 2 rails per direction which connects all mining outposts with the main factory in a linear ...
AnoE's user avatar
  • 201
2 votes
1 answer
823 views

How can I create this circuit to only allow items into a belt section when a certain amount exits the section?

I'm trying to learn how to utilize circuits and having trouble figuring how to lay it out (unmodded). I have my science assembly lines lined up to feed into my research labs but I only want to send ...
Jeff Mercado's user avatar
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6 votes
2 answers
1k views

How come I need 0.7 electric mining drills to produce 18.75 iron plates a minute using a stone furnance?

I was trying to ratio-out a small iron plate making factory. I used this calculator which indicated that I need 0.7 electric mining drills in order to feed 1 stone furnace: This is equivalent to ...
Timmy Jim's user avatar
  • 54.7k
3 votes
1 answer
4k views

How to stop time or pause the game in Factorio

I just started playing Factorio and as I go through the tutorial, I find myself constantly wasting a lot of time trying to find the things I need to build in my inventory. While I manually hover over ...
parakeet's user avatar
  • 389
36 votes
2 answers
9k views

Connect two close parallel train tracks in factorio?

I have two parallel tracks in Factorio. I'd like to connect them so a train can move from one to the other. The planner just does not seem to allow it, no matter how I move around. Sure, it's too ...
dfrankow's user avatar
  • 587
4 votes
1 answer
1k views

Disable Factorio GUI info tooltip

What Factorio mod or setting do I need to turn off to prevent this tooltip from displaying? I can't figure out how I turned it on and it's interfering with my game. I have many mods loaded and it ...
ErikE's user avatar
  • 175
9 votes
2 answers
1k views

Can I make landmines snap to a grid?

When playing Factorio it seems that landmines are the only object I can place where it doesn't snap to a grid. I want to make a dragon's teeth barricade with land mines interspaced but the ...
PausePause's user avatar
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4 votes
2 answers
3k views

Do Biters get weaker further from your base?

I've been playing Factorio for a short time and have just developed a tank. I figured it would be worthwhile to explore the zones around my base and scout out potential mineral sites. I travelled ...
PausePause's user avatar
  • 14.1k
4 votes
0 answers
341 views

Why am I suddenly seeing this instead of normal inventory?

I'm running Factorio Demo on Ubuntu,everytime I start the game for quite some time I'm able to run it normally and I'm able to open the inventory tab but after some time I'm getting this protoype ...
Mayur's user avatar
  • 51
2 votes
2 answers
567 views

Were are the bugs attacking me from?

In my factory, I inconveniently have 3 relatively large bug nests all really close to me. Only one of them was a problem, base number 2, but I have walled that one off. All of a sudden though a get a ...
user avatar
7 votes
1 answer
1k views

Why is this arithmetic combinator not working?

I set up an arithmetic combinator exactly as in this video at 6:47. In the video, the combinator outputs the yellow with summed values. In my Factorio pictures, there is no yellow output. I'm using ...
dfrankow's user avatar
  • 587
0 votes
1 answer
388 views

Why is this rail signal not creating a new block?

I am making a rail loop to collect all my raw materials and then take them to my processing sector. Because of a pesky cliff, I have been forced to have my track loop back on itself. I decided that, ...
user avatar
3 votes
1 answer
660 views

How to make my trains go through stations

I have a problematic train line that I had built originally for one to two trains, but now must support five, and I can't take it down and rebuild it for all five because of space constraints. ...
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11 votes
1 answer
5k views

Why are my Factorio rail lines having problems?

I have a pretty messy network of rails that all 5 of my trains pass through. Despite my best efforts, my trains keep ending up stuck at the three way split in the middle, despite often being able to ...
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4 votes
1 answer
3k views

Factorio: How to fill belts on-demand?

In Factorio, I have a belt running around countless assembling mashines, carrying all the resources those need. Unfortunately, the belt mostly fills up with one or two resource types, halting all ...
Zsolt's user avatar
  • 202
11 votes
0 answers
4k views

Adjust latency in multiplayer mode to solve car input lag

I noticed that it's almost impossible to drive a car in Factorio multilayer mode. There is an unmanageable lag between the keys pressed and the resulting movement of the vehicle. This effect happens ...
xApple's user avatar
  • 391
11 votes
1 answer
5k views

How to play the levels 4 and 5 of the Factorio tutorial in multiplayer?

It explicitly says in Factorio, when you go to the "Single player -> New game -> Tutorial" interface, and I quote: "Levels 4 and 5 can be played in multiplayer". We both ...
xApple's user avatar
  • 391
6 votes
3 answers
3k views

Are there more biters in multiplayer?

In Factorio do more biters spawn in multiplayer versus singleplayer? I've been running a server and it seems like there are a ton more bugs to the point where it is dangerous to play on the server ...
Rapida's user avatar
  • 30k
8 votes
1 answer
3k views

What types of equipment work when driving a spidertron?

For example, personal laser defenses and personal roboports work from the driver's equipment grid, but exoskeletons and belt immunity equipment do not. (Instead they need to be equipped in the ...
Jack O'Connor's user avatar
5 votes
1 answer
3k views

How do I set an inserter filter based on the contents of a storage tank

I have a filter inserter that is set to move barrels and sulfur. I want to set up a condition so that if a storage tank of petroleum is below 10k, the inserter only inserts sulfur. How can I do this?
deworde's user avatar
  • 2,233
2 votes
1 answer
1k views

How can I limit a specific resource to a cargo wagon?

I have a train station that loads iron into a train for export, and imports coal from a different train. I have this problem where iron is being loaded into the coal train. Is there a way I can place ...
Ben's user avatar
  • 1,343
3 votes
1 answer
229 views

How to view last completed research?

Is there a way to get the latest research that was completed or have the game write a message with the research name? I always put tons of research into the queue and focus on some other task. When ...
MrFox's user avatar
  • 1,201
4 votes
2 answers
492 views

How can I locate my disabled train stop among many stops with the same name?

I need to locate a specific train stop in my factory but there are a number of problems making this difficult My factory has like 500-1000 train stops in total so locating it manually would be like ...
Mossmyr's user avatar
  • 285
0 votes
1 answer
158 views

Can the repaired assembly machine use inserters?

In the tutorial, I tried and tried to place inserters next to the repaired assembly machines but nothing happens and I have to carry around the produced items by hand. Are inserters not supported for ...
K.-Michael Aye's user avatar
2 votes
1 answer
164 views

Open inventory hotkey doesn't work in tight spot

I've always used E to bring up the inventory in Factorio. However in the single player scenario Tight spot this key does nothing. I'll start the game, buy some machines and supplies, start the game. I ...
MrFox's user avatar
  • 1,201
8 votes
3 answers
5k views

Are Productivity Modules useful in Pumpjacks?

In Factorio, when I surround a Pumpjack with Speed Module Beacons, should I insert Productivity Modules or Speed Modules into the Pumpjacks in order to get the most Crude Oil per second?
matpie's user avatar
  • 183
3 votes
1 answer
278 views

Build-Bot queue individual fluctuate rapidly but overall-sum locks at 601

I am building a big base. Unfortunately the Build-Queue fluctuates for no reason. I am expecting that the amount of buildungs left decreases but it does decrease and increase rapidly. Do anyone know ...
Grim's user avatar
  • 261
2 votes
1 answer
392 views

Calculation of Copper Melting

The melter has 30% downtimes, I expect to have 66% downtimes. What is the calculation base? The steel furnance has a crafting speed of 2 per second. The electric mining drill has a mining speed of 0....
Grim's user avatar
  • 261
5 votes
1 answer
3k views

What happens to Worms you leave alive after destroying nearby Nests?

What happens if I leave Worms intact after destroying Alien Nests? I would expect that no more Biters and Spitters will be produced, but will leaving the Worms there cause any problems for my base?
Robert Miller's user avatar
3 votes
1 answer
3k views

What are my vulnerabilities in this wall defense?

I'm starting to build a bot-fed wall defense. I'm new to using things like flamethrowers and modularized factorio. The wall is based on alternating between flamethrower turrets and another turret ...
KGlasier's user avatar
  • 133
3 votes
2 answers
240 views

Is there a way to place blueprinted poles at maximum distances?

The current issue I have is with placing Blueprinted Electric Poles over long distances as shown in this GIF: Normally, you are able to hold down LMB, and move. Then once you reach the maximum ...
Kaynnc's user avatar
  • 738
2 votes
1 answer
615 views

Optimizing a factory for a memory constrained computer?

Despite my desktop having more memory and a faster CPU, Factorio runs much slower on it than it does on my MacBook Pro because of my motherboard's memory limitations. Rather than drop $300 on an ...
Cory Klein's user avatar
6 votes
1 answer
864 views

How can I get Windows system scaling to work with Factorio on 0.17?

Context I play games in a window on a 4k monitor. Because my eyesight is terrible and for performance reasons, I play games in 1920x1080 resolution, and use Windows to scale things up: via ...
bertieb's user avatar
  • 399
4 votes
1 answer
2k views

How to disable night?

How can I disable night, i.e. the night portion of the day/night cycle? I'd like to play in eternal daylight. I didn't notice any relevant settings when creating a new game and I'd like to avoid ...
Kenny Evitt's user avatar
4 votes
1 answer
623 views

Can my factorio mod prevent a custom achievement from unlocking?

I'm looking at adding some achievements to one of my mods and have only been able to find limited documentation. From what I can tell, achievements must be based off of one of the achievement ...
Troyen's user avatar
  • 5,602
13 votes
1 answer
2k views

How is total raw calculated for Science Pack 2?

I don't understand how the total resource needed is calculated to produce one Science pack 2 (green one). According to the Factorio wiki, Science pack 2 requires: 1 Inserter 1 Transport belt ...
Luc M's user avatar
  • 3,676
8 votes
1 answer
11k views

In Factorio, how much fluid can a pipe transfer?

I've read that offshore pumps can pump at 1200 water per second. If I connect two offshore pumps will 2400 units? Or is 1200 the maximum? Ideally I would like to run a single over pressure pipe into ...
Coomie's user avatar
  • 12.6k
7 votes
1 answer
2k views

How to design a secure foot or car pathway across railroads in Factorio?

I'm bulding an extensive and heavily used automated train system. After having enjoyed the achievement of being obliterated by my own automated trains, I would prefer that not happening anymore. I ...
Pac0's user avatar
  • 170
3 votes
0 answers
475 views

Where is stored the total number of crafted electronic circuits for the "Mass Production 3" achievement?

I have a steam installation of Factorio 0.16 and an experimental version 0.17 in a folder somewhere else with a bunch of new saves to test the new features. I'd like to do the "Mass production 3" ...
Goufalite's user avatar
  • 843
4 votes
2 answers
787 views

How do I determine the actual amount of power my nuclear reactor can provide?

I just build my first nuclear reactor. This is quite a bit more complicated than the earlier ways of powering your base, and I'm not sure I properly handled the heat and water distribution in my ...
Mad Scientist's user avatar
7 votes
1 answer
453 views

What's the recipe for steam from boilers and heat exchangers?

Intermediate fluids like heavy oil have a recipe description in the wiki that looks like this: but the page for steam does not. For boilers, what is the exact quantity per unit time of coal consumed ...
Reinderien's user avatar
10 votes
1 answer
15k views

How to delete/edit a quickbar item?

I'm a bit clumsy with the UI/hotkeys so I have several items on my quickbar that shouldn't be there. Because they're duplicates or just the wrong item. How can I remove or edit these items? This is ...
MrFox's user avatar
  • 1,201
5 votes
1 answer
4k views

Will removing mods re-enable steam achievements on an existing save?

I had downloaded a few mods for Factorio to try them out, but realized they disabled the steam achievements. I've since updated to .17 and removed the mods on my current saved game. Will doing ...
GameLikeBeaker's user avatar
1 vote
1 answer
2k views

How do I set a spawn point in a pvp scenario

I'm trying to make a PvP scenario where everybody starts in the middle of the map. at X,Y -12,16. I don't want to use the Default PvP Scenario starts each team with a rocket silo. Also while I could ...
user226670's user avatar